LED Rechargeable Bicycle Warning Strip Tail Light(OPP Red&Blue Light)

1. Brightness: 100 lumens
2. Battery: 3.7V/500mAh
3. Applicable installation diameter: 22-31.8 red rice
4. High-brightness and energy-saving LED light, less power consumption and longer life
5. USB charging port, automatically power off when fully charged
6. Non-slip silicone back cover, easy to fix
7. Adjustable stand, humanized design
8. Weight: about 40 grams
9. Note: The charging voltage is less than 5V