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🔑 Unlock smart nights with pro-grade BAC tracking in your pocket!
The BACtrack C6 Keychain Breathalyser delivers professional-grade blood alcohol content readings using patented BluFire Fuel Cell technology. Its ultra-compact design fits on your keychain, offering instant BAC results standalone or wirelessly synced to your smartphone app with Apple HealthKit integration. Featuring innovative ZeroLine technology, it estimates when your BAC will return to zero, empowering smarter decisions. Backed by a one-year warranty, it’s the essential companion for responsible, health-conscious millennials on the go.





| ASIN | B079XXNBF3 |
| Battery Description | Lithium-Ion |
| Best Sellers Rank | 53,691 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 9 in Alcohol Tests |
| Brand Name | BACtrack |
| Compatible Devices | Smartphones |
| Customer Reviews | 4.2 4.2 out of 5 stars (6,385) |
| Global Trade Identification Number | 00857186005462 |
| Item Weight | 59 g |
| Manufacturer Part Number | BT-C6 |
| Material Type | Plastic |
| Model Number | BT-C6 |
| Sensor Type | Fuel Cell |
| Size | 2.21" x 2.5" |
| UPC | 857186005462 |
| Unit Count | 1 count |
A**R
A great little gadget to keep your alcohol intake under control
This is a very simple to use device that gives you your BAC either in a standalone configuration or in an APP configuration. If you use the APP, you can save your data and compare it with other users anonymously! I still don't think anyone should use any device like this to tell them when they should or should not be driving under the influence of alcohol! This is more to control having headaches and hangovers the next day. What I really loved about it was the fact that you get a little booklet explaining the way the BAC is calculated and gives you clear advice on the impact of alcohol on your health. All in all, a great purchase! I am so happy with it!!
L**K
Easy to Use
Very handy little product, which will assist in make decisions, such as driving in the morning, more calculated. Very simple to use with the app
N**D
Breathalysers
Ideal for assuring yourself that you're legally allowed to drive.
A**R
Sham
Totally pointless I would return it if I could Frankly it’s dangerous Blew a 0.03 on this used my friends official police issue and blew 0.098 if I’d of taken this seriously I’d of been over the limit and arrested it’s not just slightly off it’s a total sham
S**N
Small device
Brilliant little device which helps you keep track of how much you’ve had to drink and especially helps you work out if you can drive the next day!
A**R
Great portable breath tester
Very easy to use and the app is really good too.
L**Y
Very small, fiddly
No facility to tell you how many hours till you are sober like the larger more expensive one. It’s also very fiddly.
S**E
Did not work
The unit shows 0.00 when we tested it, knowing we've had several drinks (it's Christmas, after all) in the proceeding hours. Given its intended purpose, its potentially very dangerous!
C**N
Simple, Reliable, and Worth It
I wasn’t expecting to like this as much as I do, but the BACtrack C6 has honestly been really solid. I mainly wanted something small and easy to carry, and the keychain size is perfect — I just keep it on me and don’t have to think about it. What matters most is accuracy, and from what I’ve seen, it’s been consistent. I’ve compared it a couple of times and the readings were pretty much in line, which gives me confidence it’s doing its job. It also warms up quick and gives results fast, so you’re not standing around waiting. The app connection is actually pretty cool too. I don’t use it every time, but it’s helpful when you want a better idea of where you’re at or how long it might take to get back to zero. Overall, it just feels reliable and easy to use. Nothing flashy, just works the way you want it to. Definitely a good buy if you want something you can trust and actually carry with you.
L**I
Ottimo prodotto
Prodotto corrispondente alla descrizione. Imballo ottimo. Pila AAA necessaria compresa. Corredato di libretto istruzioni non in italiano ma sul sito BacTrack si trova anche in italiano. Piccolo e di ottima portabilità. Volendo anche al portachiavi ma si rischia di graffiare lo schermo. Pare funzionare molto bene. Ottima anche la funzionalità tramite App dedicata gratuita. Il prezzo è un po’ alto ma se ciò serve a salvare la patente ed evitare incidenti la spesa può valerne la pena.
S**N
Précis
J'étais un peu sceptique sur la fiabilité de cet appareil, mais les résultats sont incroyables ! Je l'ai testé de façon intensive sur plusieurs soirées et les taux étaient tous cohérents ! Il faut simplement penser à attendre 20 minutes sans manger ni boire. Notez qu'il est possible de mettre le taux calculé à la norme française (mg/l), mais pour ça il faut passer par l'appli (heureusement, pas besoin de le faire à chaque fois). L'appli permet aussi de connaitre l'heure où l'on redeviendra sobre, et offre des statistiques diverses plus ou moins inutiles sur notre consommation.
I**N
Fiable y sencillo
Me ayuda a tomar decisiones antes de conducir
J**E
BACtrack
Funktioniert mit und ohne App zuverlässig, und die Angaben scheinen zu stimmen; wir haben es jetzt mehrere Wochenenden ausprobiert. Auch die App-Werte, die anzeigen, wann man wieder nüchtern ist, sind stimmig. Gespeichert wird nur bei Benutzung über die App; im Gerät werden die angezeigten Alkoholwerte nicht gespeichert.
Trustpilot
3 days ago
1 month ago