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Quickly and easily estimate your BAC with this BACtrack Go BT-KC20 keychain breathalyzer, which features a fold-out mouthpiece that facilitates BAC calculations and readouts on an easy-to-read LCD screen. The ultracompact design simplifies portability. 

Review Summary

Rating 4.1 out of 5 stars with 494 reviews

Rating by feature

  • Rating 4.2 out of 5 stars

  • Rating 3.9 out of 5 stars

  • Rating 4.4 out of 5 stars

85%would recommend to a friend

Customers are saying

Customers frequently mention the accuracy of the Go Keychain Breathalyzer, with many reporting that it aligns well with police-grade breathalyzers. They also appreciate its portability and small size, making it convenient for on-the-go use. The ease of use is another positive aspect, with customers finding the product straightforward to operate. However, some customers have expressed concerns about the battery life, which they feel drains quickly.

This summary was generated by AI based on customer reviews.

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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

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    BACtrack - Go Keychain Breathalyzer - White

    Model:BT-KC20
    SKU:5752012
    Your price for this item is $39.99
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