ROCKBROS Bike U Lock Anti-Theft Thickened Shackle Bike Locker, Chargeable NFC Smart Lock for Road & Mountain Bikes Motorcycle

• NFC Functional Unlock: The u lock bike can unlock it using smartphones or other electronic devices with NFC functionality, achieving one-touch opening and making unlock easier. Note: If the smartphone do not have NFC function, you can attach the card sticker to the back of your phone to unlock it
• Selected Security Material: Soft silicone shell prevent scratches and abrasion, absorbing impact force and reducing wear-and-tear of the lock body. Thickened aluminum alloy core, anti-theft and anti-shear. Kindly remind please do not use it the rainstorm or soak in water
• 600mAh Rechargeable Design: The bike locks adopted Type-C port for charging. The red light flashes three times, charge immediately. During charging, the green light flashes and when fully charged, the green light should be on
• Worry-free Opening: The cycling locks equipped with two keys and a numbered tag for power-off unlocking condition, removing the bottom plug and turn the key to the right to open
• Multiple Types Application: Wide compatibility for road bikes, mountain bikes, folding bikes and motorcycle, implement various locking methods in daily life

ROCKBROS Bike U Lock Anti-theft Thickened Shackle Bike Locker, Chargeable NFC Smart Lock for Road & Mountain Bikes Motorcycle Brands: ROCKBROS Lock Hook Material: Silicone + Aluminum Alloy Lock Head Material: ABS + Aluminum Alloy Weight: ca.564 g(Lock Net Weight) Battery Specification: Rechargeable Lithium Battery 600mAh 3.7V Usage Time: Approx. 1500 Unlocking Operations After Full Charge Operating Temperature: -20 ℃-65 ℃ Applicable Models: Road Bikes, Mountain Bikes, Folding Bikes, etc.