usb bicycle headlight $ 20.63 Material: aluminum alloy Lamp beads: LED-T63 Battery: 186502 Capacity: 5200 mA Endurance: more than 6.5 hours of strong light Gear position: strong-medium-weak, double-click fast flashing, double-click SOS again Configuration list: Front light1 Rotating bracket1 Central bracket1 USB charging cable1
