Biotechnology, quick identification of fingerprints to unlock. Type-c rechargable, 3 hours of charging, about 3 months of use.
ROCKBROS Bicycle Bike Lock NFC Card Smart U-Lock Quick Release Secure Motor Lock
ROCKBROS Folding Bike Lock Anti Theft Smart Secure Guard 2 Keys
ROCKBROS Bicycle U-lock Anti Theft High Security Bike Lock - 4 Model With keys
ROCKBROS Bicycle U-Lock with 3 keys 16cm*17cm Steel Carbon Lock Anti Theft
ROCKBROS Bike Helmet Lock Combination Padlock Bicycle Chain Lock Heavy Duty
ROCKBROS Bicycle U-lock Steel Carbon Bike Black Lock Anti Theft 3 keys 16cm*17cm
