BlowBAC K1 — Personal Breathalyzer

Know who's actually the most drunk. In seconds. Real BAC readings in seconds — built for nights out with your friends.

✅ 30-Day Money-Back Guarantee  |  ✅ Fast UK & US Shipping  |  ✅ Secure Checkout

Why People Trust It

• Actually Accurate — Real fuel-cell sensor technology, the same category referenced by CBS News and the BBC for breath-alcohol detection.
• Pregame Essential — Pass it around before you're even out the door.
• Always With You — Small enough to fit in your pocket.

Quick Questions, Answered

Is this actually accurate?
Yes — we use Fuel-cell (electrochemical) sensor technology which is the most accurate and reliable choice for portable and personal breathalyzers

Does it come with more than one mouthpiece?
Yes — every BlowBAC K1 comes with 5 mouthpieces, so hygiene's never an issue when it's getting passed around.

How fast will I get it?
UK: typically 7-18 business days. US: typically 7-15 business days. We'll email you tracking as soon as it ships.

Do you ship outside the UK and US?
We currently ship to most countries — if you don't see your country at checkout, drop us an email and we'll sort it out.

What's In The Box

• BlowBAC K1 breathalyzer
• 5 mouthpieces
• USB-C charging cable
• Quick start guide

Specs

• Fuel-cell (electrochemical) sensor — high selectivity to ethanol, low cross-sensitivity
• Rechargeable via USB-C — 200+ uses per charge
• Instant digital readout, no warm-up required
• Pocket-sized, one-button operation

Safety Reminder: BlowBAC breathalyzers provide guidance only — wait 20 minutes after drinking, follow use instructions carefully, and never rely solely on test results to decide if you can drive.