High Brightness Gem Aluminum Alloy Bicycle Tail...

Product Information:Color: black/white/blue/red/orangeSpecifications: (Bicycle Tail Light)Length 2.9*Width 2.9″Height 3.5CMFeatures: ●High-brightness LED lights●Rechargeable lithium polymer battery●USB charging, automatic full charge cut off the system●4 modes: highlight/50% bright/slow flash/fast flash●Full power in 2 hours●Sealed and waterproofOperation: Grasp the upper and lower sections (screw out counterclockwise), insert the USB charging cable (the built-in LED indicator of the lens turns on), fully charge (the built-in LED indicator of the lens turns off), and the charging time is about 2 hours. batteryFully enough, unplug the USB charging cable