Type-c rechargable, 3 hours of charging, about 3 months of use.
ROCKBROS Bike Lock Smart NFC U-Lock Bike Lock Motorcycle Lock Anti Theft Black
ROCKBROS Bike Lock Anti-Theft Security Steel Cable Lock Portable Key Lock
ROCKBROS Bike Lock Bicycle 3 Digit Combination Lock Helmet Lock Lightweight 31cm
ROCKBROS Bike Lock Silicone Wrapped Double Lock Lockset Anti-theft Safe 3 Keys
ROCKBROS Smart Bike Lock NFC U-Lock Bike Alarm Lock Motorcycle Lock Anti Theft
ROCKBROS Bike Bicycle Cycling GPS Computer Bluetooth Speedometer Waterproof MTB
