The brand-new upgraded USB Micro-B fingerprint padlock

Selling Points:1. 1s speed-second rocognition, Response time ≤1s2. Shareable among family and friends, up to 20 sets of fingerprints can be stored for unlocking.3. lithium battery, no need to purchase additional battery.4. Portable, small size, light in weight.5. Low battery alert and fast charging technology.