BACtrack Mobile Smartphone Breathalyzer (BT-M5)

Model Number: BT-M5
Web Code: 10249869


The BACtrack Mobile smartphone breathalyzer makes it easier to measure the alcohol you consume, so you can gain a better understanding of how it all affects you. It has fuel-cell sensor that provides professional-grade accuracy and an internal air pump to give you precise, consistent results every time. It also features programs that track and give you insight about what you drank and where.
Sold and shipped by Best Buy
Available online only
  • This breathalyzer makes it easy to test, track and learn about your Blood Alcohol Content (BAC), so you can gain a better understanding of how alcohol affects you.
  • The fuel-cell sensor and internal air pump ensure accurate, professional-grade results every time.
  • Track the rise and fall of your BAC over time. You can view results from the last six hours to the last 14 days and beyond, so you can gain insight into your drinking habits and learn how your body processes alcohol.
  • With ZeroLine, you can estimate when your BAC will return to 0.00%.
  • You can choose to keep your BAC results private or share them via text message, Facebook or Twitter.
  • Quickly pairs to other devices using Bluetooth 4.0 technology.
  • Runs on a rechargeable lithium-ion battery.
  • Download the companion app from the Apple app store for even more smart functionality.
  • Includes micro USB cable, a custom-fit zipper carrying case, three mouthpieces, and user manual.
Sensor Technology
Fuel Cell
Detection Range
Warm Up Time
10 Seconds
Response Time
5 s
Display Type
3 Digit LED
FDA Registered
Test Memory
Date/Time Stamp
Battery Type
Rechargeable Lithium-Ion Battery
Batteries Included
4.8 cm
7 cm
1 cm
47 g
  • Micro USB Cable
  • 3 Mouthpieces
  • Carry Case

  • Fun to use!
    by Kimm

    on 29 octobre 2019

    Nice little gadget to keep me aware of how much alcohol I have in my system and how long I have to wait till I’m good to drive. Much appreciated

    Review originally posted on

  • great device
    by naynay

    on 22 août 2019

    This product is great for checking the legal limit of people at parties. Its a perfect car key taker.

    Review originally posted on

  • Works great and easy to use!
    by JNew

    on 10 août 2019

    The BACtrack mobile is a great device as it is small, accurate and easy to use. It also holds the charge for quite some time and is a great way to be sure you are under the limit. These days we all have too much to lose and it’s not worth taking any chances.

    Review originally posted on

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