Koogeek's Bluetooth Lock features a biometric fingerprint scanner that lets you unlock its heavy padlock by simply pressing your finger to it. It's even compatible with Siri for voice control. This device normally sells for up to $55 at Amazon, though you can get your fingers on one for just $39.19 when you enter promo code 5M4ZDYPA during checkout. That's the lowest we've seen it reach so far, but the deal won't last forever.

One Touch

Koogeek Bluetooth Lock

This smart Bluetooth lock can be locked and unlocked with your finger, or with a free app on your phone, or even with your voice and Siri!

$39.19 $55.00 $16 off

With coupon: 5M4ZDYPA

This lock can be used pretty much anywhere, from securing your luggage or a gym locker to your toolbox, a bicycle, and much more. It has a 280mAh rechargeable battery that can last for up to a year on a single charge, and with the free Koogeek Home app, you can see its battery level and charge status and not have to wonder when it might go dead. Using Siri even allows you to lock and unlock this device using your voice, and the Koogeek Home app also offers the ability to unlock.

At Amazon, nearly 70 customers have left reviews for this device resulting in a rating of 4.1 out of 5 stars. You might want to add some sort of chain to your order to use with this lock too.

We may earn a commission for purchases using our links. Learn more.