Type-c rechargable, 3 hours of charging, about 3 months of use.
ROCKBROS Bike Lock Silicone Wrapped Double Lock Lockset Anti-theft Safe 3 Keys
ROCKBROS Waterproof M1 GPS Bike Computer Bluetooth ANT+ Odometer Speedometer
ROCKBROS Bike Computer Waterproof Wireless Bluetooth ANT+ Odometer Speedometer
ROCKBROS Bicycle Bike Lock NFC Card Smart U-Lock Quick Release Secure Motor Lock
ROCKBROS Bicycle U-lock Anti Theft High Security Bike Lock - 4 Model With keys
