---
product_id: 40054725
title: "BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use"
price: "¥12745"
currency: JPY
in_stock: true
reviews_count: 13
category: "Ba Ctrack"
url: https://www.desertcart.jp/products/40054725-bactrack-go-keychain-breathalyzer-black-ultra-portable-pocket-keyring-alcohol
store_origin: JP
region: Japan
---

# Ultra-compact keychain design Seconds to accurate BAC 1-year warranty protection BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

**Price:** ¥12745
**Availability:** ✅ In Stock

## Summary

> 🔍 Know your limit, own the night.

## Quick Answers

- **What is this?** BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use
- **How much does it cost?** ¥12745 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/40054725-bactrack-go-keychain-breathalyzer-black-ultra-portable-pocket-keyring-alcohol)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pocket-Sized Power:** Ultra-portable keychain fits seamlessly in your daily carry—never leave safety behind.
- • **Instant BAC Results:** Advanced MicroCheck Sensor delivers reliable readings in seconds for confident decisions.
- • **Peace of Mind Guarantee:** Backed by a 1-year warranty to keep you covered when it matters most.
- • **Precision Breath Capture:** Fold-out mouthpiece ensures only your breath is measured, filtering out airborne contaminants.
- • **Effortless One-Button Use:** Simplify your routine with quick, intuitive testing—no tech skills required.

## Overview

The BACtrack Go Keychain Breathalyzer is a sleek, ultra-portable alcohol tester featuring proprietary MicroCheck Sensor technology for fast, reliable BAC readings. Designed for ease with one-button operation and a fold-out mouthpiece for precise breath capture, it fits effortlessly on your keyring or in your pocket. Supported by a 1-year warranty, it’s the perfect companion for responsible professionals on the go.

## Description

Buy BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Easy to use. - Worked perfectly!
Review: Do not waste your money - Garbage. very inaccurate one beer had me at .1 and 14 beers .14. Multiple tests and this simply does not work. Spend the extra 50 bucks and get the better one.

## Features

- QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers reliable, accurate BAC results you can trust
- EASY TO USE - One button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!
- TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
- OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
- ONE YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace the defective product

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B01MSPJXF4 |
| Batteries  | 1 AAA batteries required. (included) |
| Best Sellers Rank | #13,135 in Health & Household ( See Top 100 in Health & Household ) #3 in Personal Breathalyzers |
| Customer Reviews | 3.7 3.7 out of 5 stars (6,701) |
| Date First Available  | November 22, 2016 |
| Is Discontinued By Manufacturer  | No |
| Item model number  | BT-KC22-I |
| Manufacturer  | BACtrack |
| Product Dimensions  | 2.4 x 0.55 x 1.45 inches; 4 ounces |

## Images

![BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use - Image 1](https://m.media-amazon.com/images/I/717MFrvkUPL.jpg)
![BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use - Image 2](https://m.media-amazon.com/images/I/717WhsIe+bL.jpg)
![BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use - Image 3](https://m.media-amazon.com/images/I/71E2ye2Yt9L.jpg)
![BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use - Image 4](https://m.media-amazon.com/images/I/71PwjVuN3BL.jpg)
![BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use - Image 5](https://m.media-amazon.com/images/I/71QEtcTmAKL.jpg)

## Questions & Answers

**Q: How accurate are BACtrack breathalyzers?**
A: BACtrack uses carefully-engineered technology to deliver reliable, consistent BAC results, with unparalleled accuracy. Several independent agencies have tested popular personal breathalyzer brands and found BACtrack to be the most accurate.

**Q: How often do BACtrack breathalyzers need to be calibrated?**
A: Our general recommendation is to have your BACtrack calibrated every 12 months, but it really depends on how your BACtrack is performing. With proper care and usage, we've seen that our devices can go for 1000's of tests before needing calibration.

**Q: Where are BACtrack breathalyzers made?**
A: Our breathalyzers are designed by our team of talented engineers at our San Francisco headquarters and manufactured in our overseas facilities. We aim to provide the most accurate, innovative, reliable & affordable alcohol testers on the market.

**Q: What should I do if I'm having issues with my BACtrack breathalyzer?**
A: In the rare instance where you are having trouble with your BACtrack, please send a message to our US-based customer success team directly from your Amazon orders page and they'll be happy to help you troubleshoot.

**Q: Am I able to return my BACtrack breathalyzer if it stops working?**
A: Yes, if your BACtrack ceases to function properly during the first year of operation, we will repair or replace the defective product at no additional charge to you.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use.
*by A***R on January 13, 2026*

Worked perfectly!

### ⭐ Do not waste your money
*by B***H on January 23, 2026*

Garbage. very inaccurate one beer had me at .1 and 14 beers .14. Multiple tests and this simply does not work. Spend the extra 50 bucks and get the better one.

### ⭐⭐⭐⭐⭐ Alcohol breath, tester
*by M***M on January 20, 2026*

If you wanna test your alcohol intake, this will tell you exactly what your alcohol on your breath is

## Frequently Bought Together

- BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use
- BACtrack Breathalyzer Carrying Case (Small) | Compatible with: C6, C8, Mobile, GO, and Keychain Breathalyzers
- BACtrack C8 Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

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**Shop now:** [https://www.desertcart.jp/products/40054725-bactrack-go-keychain-breathalyzer-black-ultra-portable-pocket-keyring-alcohol](https://www.desertcart.jp/products/40054725-bactrack-go-keychain-breathalyzer-black-ultra-portable-pocket-keyring-alcohol)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-31*