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BACtrack C8 Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

4.4 4.4 out of 5 stars 2,792 ratings
$89.99 with 10 percent savings $89.99 per Count
List Price: $99.99

The List Price is the suggested retail price of a new product as provided by a manufacturer, supplier, or seller. Except for books, Amazon will display a List Price if the product was purchased by customers on Amazon or offered by other retailers at or above the List Price in at least the past 90 days. List prices may not necessarily reflect the product's prevailing market price.
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Extra Savings Save 10% on C-Series Breathalyzer Mouthpieces (50 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack®. 3 Applicable Promotion(s)
  • Save 10% on C-Series Breathalyzer Mouthpieces (50 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack®. Shop items
  • Save 10% on C-Series Breathalyzer Mouthpieces (20 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack®. Shop items
  • Save 10% on C-Series Breathalyzer Mouthpieces (100 Pack) when you purchase 1 or more BACtrack C6 or C8 Personal Breathalyzers offered by BACtrack®. Shop items
1
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Purchase options and add-ons

  • ESTIMATE YOUR ALCOHOL LEVEL WITH PRO-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the C8 utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.
  • KNOW WHEN YOUR BAC WILL RETURN TO 0.00% - BACtrack's innovative ZeroLine technology estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand.
  • CALL AN UBER - Remember, the only safe time to drive is when your BACtrack shows 0.00%. Anything above that? You can call an Uber directly from the App.
  • OPTIONAL WIRELESS CONNECTIVITY - Use the BACtrack C8 with or without your smartphone. "Standalone Mode" delivers your BAC results directly to your C8. "App Mode" wirelessly delivers your BAC results to the BACtrack App on your smartphone. Easily switch between modes.
  • ONE YEAR WARRANTY - If your BACtrack C8 ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge.

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BACtrack C8 Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

Frequently bought together

BACtrack C8 Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPho
$89.99 ($89.99/Count)
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BACtrack C-Series Breathalyzer Mouthpieces (20 Count) | Compatible with BACtrack C6 and C8 Breath Alcohol Testers | Not Compa
$14.99 ($0.75/Count)
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BACtrack S80 Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Approved | FDA 510(k) Cleared | Portable Breath Alcohol
$129.99 ($129.99/Count)
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From the brand

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  2. BACtrack Logo

    Founded in 2001, BACtrack is one of the pioneers of the personal alcohol tester industry. Since then, BACtrack has grown into one of the global leaders in the alcohol testing space, providing some of the most accurate and affordable breath alcohol testing devices and software on the market.

    Designed and engineered at their headquarters in San Francisco, CA, BACtrack breathalyzers are now sold in over 20,000 stores and 25 countries worldwide.

  3. BACtrack C6 Keychain Breathalyzer
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    BACtrack Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Persona...
    BACtrack C8 Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivit...

    #1 Rated Breathalyzer Brand

    Visit the Store

  4. BACtrack C6 Keychain Breathalyzer

    Why wouldn't you want to know?

    "Owning a BACtrack doesn't make you an alcoholic, it makes you a responsible drinker. This is a no brainer for anyone who drinks."

  5. BACtrack S80 Professional Breathalyzer Alcohol Tester BAC

    #1 Rated Breathalyzer

    "We're sure the BACtrack S80 is the most accurate, reliable, and easiest-to-use personal breathalyzer that you can buy." - Wirecutter

  6. BACtrack Keychain Breathalyzer Personal Alcohol Tester BAC

    Easy to use & carry around

    "This tiny breathalyzer is perfect for on the go. I love having it around with friends after work so everyone can get home safely."

  7. BACtrack C8 Personal Breathalyzer Alcohol Tester BAC

    Your true BAC may surprise you

    "Whether you are a regular drinker or occasional, anyone who enjoys alcoholic beverages should own a BACtrack and use it regularly."

  8. BACtrack Trace Professional Breathalyzer

    Goes out when we do

    "Friends are impressed. Everybody stays safe. Highly recommended!"

  9. BACtrack Keychain Breathalyzer (Blue)

    I love this product

    "Perfect for testing my alcohol level before I drive home. It’s so small - it fits in my purse, I don’t even notice it!"

  10. BACtrack Mobile Smartphone Breathalyzer

    Very sleek, very accurate

    "The best tool I have ever bought. I'm shocked at how buzzed a legal limit of 0.08 feels! Worth every penny."

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Product Description

BACtrack C8 Personal Breathalyzer | BACtrack Helps You Make Better Decisions While Drinking
BACtrack C8 Personal Breathalyzer | Know When Your BAC Will Return to 0.00% With ZeroLine
BACtrack C8 Personal Breathalyzer | Make Better Decisions While Drinking
BACtrack C8 Personal Breathalyzer | Go Beyond Testing With the Free BACtrack App for iOS and Android
BACtrack Keychain Breathalyzer
BACtrack S80 BACtrack Trace BACtrack Mobile BACtrack C8 BACtrack C6 BACtrack Keychain
Customer Reviews
4.5 out of 5 stars
7,083
4.4 out of 5 stars
1,783
4.3 out of 5 stars
1,389
4.4 out of 5 stars
2,792
4.3 out of 5 stars
5,720
3.9 out of 5 stars
4,844
Price $129.99 $99.99 $84.99 $89.99 $69.99 $39.99
Ideal Use Personal & Professional Personal & Professional Personal & Professional Personal Personal Personal
Alcohol Sensor Type Platinum Fuel Cell Platinum Fuel Cell Platinum Fuel Cell Platinum Fuel Cell Platinum Fuel Cell Semiconductor
Professional-Grade Accuracy ✓ ✓ ✓ ✓ ✓
Wireless Connectivity to iOS & Android Devices ✓ - Required ✓ - Optional ✓ - Optional
ZeroLine Technology - Estimates time to 0.00% BAC ✓ - App Only ✓ - App & Device ✓ - App Only
Advanced User Controls for Professional Testing Environments ✓
Battery Type 2 x AA batteries 2 x AAA batteries Micro-USB Rechargeable Lithium Ion 1 x AAA battery 1 x AAA battery 1 x AAA battery
Size (L x W x H) 2.00" x 0.75" x 4.75" 1.87" x 0.63" x 4.25" 1.75" x 0.63" x 2.75" 2.50" x 0.66" x 2.20" 2.21" x 0.66" x 1.88" 1.45" x 0.55" x 2.4"
Weight (including battery) 136g 85g 57g 57g 57g 57g

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2.5 x 0.66 x 2.2 inches; 2.08 ounces
  • Item model number ‏ : ‎ BT-C8
  • Batteries ‏ : ‎ 1 AAA batteries required.
  • Date First Available ‏ : ‎ April 19, 2018
  • Manufacturer ‏ : ‎ BACtrack
  • ASIN ‏ : ‎ B07CKXQ5L5
  • Customer Reviews:
    4.4 4.4 out of 5 stars 2,792 ratings

Important information

Legal Disclaimer

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
2,792 global ratings

Customers say

Customers like the size and ease of use of the product. For example, they say it's small enough to put in a purse or pocket, and it fits in the palm of your hand. Customers are also impressed with the speed. That said, opinions are mixed on app compatibility, quality, accuracy, readability, and value.

AI-generated from the text of customer reviews

106 customers mention106 positive0 negative

Customers find the product easy to use and convenient. They say the screen is huge and easy to read. Customers also say the device is quick to turn on and has a fun conversation starter.

"This device is tinier than I expected and very, very easy to use. I will not longer use Hope as a strategy to stay out of trouble behind the wheel...." Read more

"...All I can say is it's fun to play with!The product is insanely easy to use. You turn it on, it warms up, and you blow when it says to...." Read more

"...The device is small and light, so easy to carry. It's quite quick to turn on, easy to us. I love UX of the device overall...." Read more

"...Pros:Easy to carry, easy to use, makes one much more aware of BAC.Cons:Relying on this is not enough...." Read more

60 customers mention60 positive0 negative

Customers find the size of the product small enough to put in their purse or pocket. They also say it has a great compact design and is easy to take anywhere. Some mention the screen is huge and easy to read.

"...The breathalyzer is small, which is great for sticking in a pocket or bag...." Read more

"This device is tinier than I expected and very, very easy to use. I will not longer use Hope as a strategy to stay out of trouble behind the wheel...." Read more

"...The device is small and light, so easy to carry. It's quite quick to turn on, easy to us. I love UX of the device overall...." Read more

"Super small and sturdy enough to fit in my pocket. I love the feature that give you a count down to sober. Everyone should have this." Read more

17 customers mention17 positive0 negative

Customers are satisfied with the speed of the product. They mention that it is very accurate and fast. They appreciate the quick return of results and the efficient delivery. They also like the time till sober function and the app is intuitive.

"...that I have had calibrated regularly, and this little one is faster, easier to carry around and registers basically the same as the more..." Read more

"...my only complaint is the app crashes frequently. It also opens very fast so it's just a hiccup. and I am reviewing the BACtrack C8 not the app...." Read more

"...It has great features like giving you the estimated time of when you should be sober after drinking. The app is a neat feature as well...." Read more

"...Was on par to how much I drank. I really like how it gives a timeframe to sober. I'd definitely recommend and would buy more products from BACtrack." Read more

197 customers mention127 positive70 negative

Customers are mixed about the quality of the product. Some mention it's very useful, works well, and is amazing. However, others say that it'll take to return to.0, is not reliable, and the app crashes frequently.

"...My product I purchased luckily works very efficiently, it’s not SPOT on perfect with every reading down to the last decimal like professional grade..." Read more

"...it within the first 10 minutes of playing with it and got a nice scratch across the screen.Overall, I would recommend it...." Read more

"This is the best BAC tester on the market! Love that it shows your zero line on the screen and is super accurate...." Read more

"...Pros:Easy to carry, easy to use, makes one much more aware of BAC.Cons:Relying on this is not enough...." Read more

150 customers mention84 positive66 negative

Customers are mixed about the accuracy of the product. Some mention that it's super accurate, accurate enough for home use, and consistent. Others say that the readings are not very accurate, dramatic different, and vary widely.

"...It is accurate almost to the T, just wait 15 minutes after you've had your last drink...." Read more

"Not sure how accurate it is but it does read, not always consistent but overall a good indicator." Read more

"...it'll never be up to par with a professional one, but it's accurate enough for home use. When I tested it I was getting a error range of +-0.004%...." Read more

"...Lastly, the vagueness surrounding the calibration needs for the device is concerning...." Read more

49 customers mention26 positive23 negative

Customers are mixed about the value of the breathalyzer. Some mention it's very much worth the price and a truly worthwhile purchase, while others say it'll never give an accurate reading and is a complete waste of money.

"...So, I highly recommend this product. It is worth the purchase." Read more

"...I can’t retune it so I’m stuck with this piece of garbage. Don’t waste your money!" Read more

"Well worth the money" Read more

"...in the next half hour and it said I only went up to .08 what a waste of money." Read more

36 customers mention17 positive19 negative

Customers are mixed about the readability of the product. Some mention that it's easy to read the results and only takes less than a minute from start to finish, while others say that it doesn't read accurately at all, doesn' t function properly, and reads different every time.

"...I rated the accuracy only 4 stars because my unit seems to read a fair bit high compared to the C6 on the exact same breath, and given the..." Read more

"...I love the digital display, the letters and numbers are super easy to read, and it's output of what your BAC is as well as how long it will take for..." Read more

"Not sure if it is use we error or not, but it does not seem to read correctly. I got this as a joke for a friend, but tried it myself...." Read more

"easy to use, easy to read. everyone will want to try it when it starts telling you what it guesses how you are feeling" Read more

20 customers mention13 positive7 negative

Customers are mixed about the app compatibility of the product. Some mention that the app is a neat feature that allows them to track their results, while others say that it's disappointing and doesn't work with their Android devices.

"...It also has a companion app, but requires you to give up too much personal information for my liking, so very happy that it doesn’t need the app..." Read more

"...My conclusion is the app mode feature is a dud.I recommend staying away from the app only models for the above reasons...." Read more

"...encouraging it but it puts things into prospective and helps keep track of where you are at. Also can use on friends to keep them honest as well...." Read more

"...The app has some other interesting statistics based on aggregation of other users, which are worth checking out...." Read more

Great!
5 Stars
Great!
Hand size and very easy to store. Love that it also includes how long it’ll take to return to .0 , very useful. Comes packaged with a battery and 2 mouth pieces
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Top reviews from the United States

Miichelle Erin
5.0 out of 5 stars Small, Smart, and Accurate!
Reviewed in the United States on February 10, 2024
Package Quantity: 1Verified Purchase
This product deserves one of the few reviews I leave.

The breathalyzer is small, which is great for sticking in a pocket or bag.

It is accurate almost to the T, just wait 15 minutes after you've had your last drink. If you drink a sip of alcohol and then blow into it, it's going to register ridiculously higher than your actual BAC.

I love the digital display, the letters and numbers are super easy to read, and it's output of what your BAC is as well as how long it will take for you to reach 0/sober is such a great feature.

10/10
6 people found this helpful
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motokat
5.0 out of 5 stars Awesome
Reviewed in the United States on February 1, 2024
Package Quantity: 1Verified Purchase
This device is tinier than I expected and very, very easy to use. I will not longer use Hope as a strategy to stay out of trouble behind the wheel. I recently met someone very, very responsible who found herself with a DUI in another country because their BAC limits were much lower then what she was used to. In that country, DUI is a federal crime. She now has to declare herself a felon on every visa and job application. And she is banned from travel to many countries for 7 years. I took this as a huge warning sign. I had no idea that BAC limits could be so radically different from one country to the next. I will keep this device in my tote bag everywhere I go, no matter what country, and I will make sure to know the local laws. It's small enough to fit in any pocket, purse or bag.
13 people found this helpful
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Brayton Vetter
5.0 out of 5 stars No Negativity!
Reviewed in the United States on April 5, 2024
Package Quantity: 1Verified Purchase
So many people have complaints about thing, okay sometimes a product is defective it happens that’s life. My product I purchased luckily works very efficiently, it’s not SPOT on perfect with every reading down to the last decimal like professional grade gov’t issued ones are, BUT it’s darn close I’ll tell you that! Most of peoples complaints are also because of USER ERROR, follow the instructions of how you should be using this products and you’ll get a great estimate of your bac.
3 people found this helpful
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Dutchy
5.0 out of 5 stars A fun product.
Reviewed in the United States on April 17, 2019
Package Quantity: 1Verified Purchase
Before I start, I should say to never drink and drive. Buzzed driving is drunk driving.

I've always wanted a breathalyzer for fun. I finally pulled the trigger and bought this one. All I can say is it's fun to play with!

The product is insanely easy to use. You turn it on, it warms up, and you blow when it says to. The app took a bit to get connected, but it does connect (but it's not required for use). Connecting it gives you some added features, such as a chart for over time, and the ability to compare your BAC to others. One of the nicer features about the C8 is that it tells you an estimate on how long it'll be till you're back to 0.00% BAC. Accuracy-wise, it'll never be up to par with a professional one, but it's accurate enough for home use. When I tested it I was getting a error range of +-0.004%. The one downside to it was the plastic that the screen is made out of. I dropped it within the first 10 minutes of playing with it and got a nice scratch across the screen.

Overall, I would recommend it. Just don't expect police equipment accuracy from it.
One person found this helpful
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Abby
4.0 out of 5 stars Good for the price
Reviewed in the United States on July 4, 2023
Package Quantity: 1Verified Purchase
Not sure how accurate it is but it does read, not always consistent but overall a good indicator.
8 people found this helpful
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Sylvain
1.0 out of 5 stars Not working
Reviewed in the United States on July 3, 2020
Package Quantity: 1Verified Purchase
Bactrack asked me to write a review, but they might not like my review.

Tl;DR
The device is not working, always returning 0. I have tried it 4 times, the time where I drunk the most was with 1 glass of wine and 2 cocktails, with a light meal, and still saying that I am sober (I was definitely tipsy).
PS: I reached out to the support and made sure I was using the device properly, waited the appropriate time before using the device.

Longer version:
The support told me that you are supposed to wait up to 45 minutes as it can takes that long for alcohol to reach your bloodstream. And you should wait at least 15 minutes after your last sip. Obviously height, weight, gender, metabolism, food consumed, how quickly you drink will affect the results, but on my side, it has always returned that I was completely sober.

The device is small and light, so easy to carry. It's quite quick to turn on, easy to us. I love UX of the device overall. The only minor comment is that it is hard to open the battery section.

I am using an iPhone app, it's not a high-quality UX but does the job. My main comments are that it's sometimes slow, especially when you want to go through the different screens of a recording. I have to wait a few seconds of it to load/unfreeze.
It also offers the ability to record what you consumed, but it's very not user friendly, and it requires a lot of effort to log a drink when in my opinion it should be super fast and easy.

All this slowness/bad UX is fine as I am at home and have plenty of time to dedicate to that, but in a non-shelter in place situation when someone would like to use these features, I think it would be a bit more frustrating. But again to be fair, the MAIN feature of the device which is to inform you about the alcohol in your blood is fast and easy.

It also does not offer a much data visualization, for instance I would love to be able to watch my drinking trends. I am using this device mostly to understand my alcohol consumption and see if it's reasonable. It might not be the goal of the main customer target, but I would really appreciate that feature.

The customer support said that they would initiate shipping to inspect the unit, I am not super excited about having to do this but no choice... I will update my comment once I receive a new unit.
16 people found this helpful
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Spencer F
5.0 out of 5 stars Small and accurate!
Reviewed in the United States on March 10, 2024
Package Quantity: 1Verified Purchase
Super small and sturdy enough to fit in my pocket. I love the feature that give you a count down to sober. Everyone should have this.
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Amazon Customer
5.0 out of 5 stars The more you know
Reviewed in the United States on May 1, 2024
Package Quantity: 1Verified Purchase
I'm not one to drive if I've been drinking, but I have always been curious of how many drinks over how long, and how things like heat, cold, food or water consumption might effect it. I always thought .07 seemed like a low number. I have found out I was wrong, and completely agree now that the average person has no business driving off they are blowing at that level. While I will not be driving after drinking, according to this machine I can drink 6-8 beers over several hours in the course of an afternoon while doing various tasks like yard work and generally come in at around .05, and in no way do I feel sober. It has certainly changed my perspective on .07 being a low number.

I have not yet messed with the app so no comment on that. Not sure I really see a need to though.
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Top reviews from other countries

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Edgar Pons
5.0 out of 5 stars BACtrack C8: Precisión y Conectividad en la Palma de tu Mano 📱🍻🚗
Reviewed in Spain on February 11, 2024
Package Quantity: 1Verified Purchase
Tras adquirir el BACtrack C8, estaba emocionado por probar este alcoholímetro compacto y lleno de tecnología. Desde su diseño hasta su funcionamiento, aquí comparto mi experiencia detallada.

🔹DISEÑO Y PORTABILIDAD🔹

👍 LO QUE MÁS ME HA GUSTADO:
+ Tamaño Compacto ➤ Su pequeño tamaño es perfecto para llevarlo en el bolsillo o en el bolso sin problemas. Su diseño elegante y discreto también suma puntos.

👎 LO QUE MENOS ME HA GUSTADO:
- Durabilidad Cuestionable ➤ Aunque su diseño es atractivo, me preocupa su resistencia ante caídas accidentales o el uso intensivo a largo plazo.

🔹PRECISIÓN Y FUNCIONALIDAD🔹

👍 LO QUE MÁS ME HA GUSTADO:
+ Precisión Profesional ➤ Ofrece lecturas precisas casi al instante. Siguiendo las instrucciones correctamente, los resultados son consistentes y fiables.

+ Conectividad Bluetooth ➤ La opción de conectarlo con mi smartphone es increíble. Poder ver el historial de resultados y recibir estimaciones sobre cuánto tiempo tardaré en estar sobrio es una gran ventaja.

👎 LO QUE MENOS ME HA GUSTADO:
- Variabilidad en Lecturas ➤ En contadas ocasiones, las lecturas variaron más de lo esperado en pruebas consecutivas. Aunque en general es preciso, esto me hizo cuestionar su fiabilidad en momentos críticos.

🔹EXPERIENCIA DE USO🔹

👍 LO QUE MÁS ME HA GUSTADO:
+ Fácil de Usar ➤ Su operación es intuitiva y sencilla. Encender, soplar y esperar los resultados no podría ser más fácil.

+ Característica del "Zero Line" ➤ Saber cuánto tiempo falta para que mi nivel de alcohol en sangre regrese a 0.00% es una función que aprecio mucho por la seguridad que ofrece.

👎 LO QUE MENOS ME HA GUSTADO:
- Problemas con la Conexión ➤ Aunque la conectividad es un gran plus, en ocasiones tuve problemas para que el dispositivo se mantuviera conectado con mi teléfono, lo que interrumpió la experiencia de uso.

🔹CONCLUSIÓN🔹

El BACtrack C8 ha demostrado ser una herramienta útil y sofisticada para monitorear mi consumo de alcohol de manera responsable. Su precisión, diseño portátil y conectividad con smartphones lo convierten en un compañero ideal para salidas nocturnas. Aunque he notado algunos inconvenientes menores, como la variabilidad ocasional en las lecturas y problemas de conexión, en general, estoy satisfecho con mi compra. Recomiendo el BACtrack C8 a quienes buscan una forma conveniente y tecnológicamente avanzada de mantenerse seguros y conscientes de sus niveles de alcohol.
One person found this helpful
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Davide Libano
5.0 out of 5 stars Ottimo etilometro
Reviewed in Italy on January 2, 2024
Package Quantity: 1Verified Purchase
Questo etilometro non sbaglia in colpo
Facile da usare con la sua app
Bisogna impostare il tipo di misurazione ed il gioco è fatto
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Cirkushest
5.0 out of 5 stars Does what it says.
Reviewed in Sweden on December 9, 2023
Package Quantity: 1Verified Purchase
Easy to use
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John Cummins
5.0 out of 5 stars Works exactly as described
Reviewed in the United Kingdom on September 13, 2023
Package Quantity: 1Verified Purchase
Excellent product, very easy to set it up and link to the app. Would definitely recommend.
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Tobias Sachsenmaier
5.0 out of 5 stars Klein und praktisch
Reviewed in Germany on July 18, 2023
Package Quantity: 1Verified Purchase
Funktioniert wie es soll.
Leider sind keine Pausenzeiten definiert zwischen zwei Messungen. So verfälscht es das Ergebnis wenn mehrere Messungen gemacht werden.

Aber Preis/Leistung Top
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