Smart Bike Tail Light,Ultra Bright USB Rechargeable Waterproof Bicycle Tail Light,Safety Warning Bike Rear Lights

DescriptionDurable USB Rechargeable Battery makes these LED bike lights super bright in the dark. The USB-rechargeable bike light set tightly enough to prevent falling off even on bumpy roads. Loosen and fasten them easily without any tools required. Fits all kinds of bikes such as kid’s bikes/ road bikes. FeaturesBicycle tail light-Color:Red.-Material:ABS.-Size:1.18 inch/1.18x0.78inch.-Battery: 250mah built-in lithium battery.-Charging: USB direct charging.-Duration: 3 hours.-Discharge: 6 hours.-Mode: Six-speed mode.-Weight: 20 grams.-Shell: ABS engineering plastic outer yellow.Note:1. Do not charge over 5 V/1A to prevent battery damage2. Do not look at or shine the light directly in eyes.3. Keep away from children.4. Do not use in water for long time.