BACtrack Mobile Smartphone Breathalyzer (BT-M5)

Write a Review
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
  • 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

  • Safety

    from Best Buy US on April 17, 2019

    Best on market and actually becomes a party game for everyone

  • It appears to be accurate

    from Best Buy US on February 8, 2019

    Occasionally it varies when double checking results.

  • I like it

    from Best Buy US on November 28, 2018

    Have had it for a year and use it almost every weekend. Works very well.

Check our return policy and you'll find specific return information for your product and steps on how to return in-store or by mail.