Bicycle Lights USB Rechargeable Bike Lights – Rear Cycle Lights 3 Modes, Waterproof Taillights for Cycling Helmet Safety…

Bike Lights USB Rechargeable – Fully charged in 3 hours and lasting over 6 hours, allowing you to avoid unnecessary battery replacement forever. They can be recharged with any device featuring USB ports and include over-charge protection. Absolutely the best USB bike lights for cycling enthusiasts!
3 Light Mode Options — Rear light support 3 light modes: Constant Full Brightness / Blasting Flash / Slow flash. By simply clicking the button, you can switch modes as you wish. Long press the button to close bike lights.
Light and Small – Enough to slip in your pocket for charging on the go. Bike rear light and measure 4.0cm, Lamp itself is 1.8cm width. the compact design makes the lights look like standard bicycle reflectors.
Waterproof Bicycle Taillight – The taillight is made of IPX5 rated water resistant material design to protect the cycling light from rainy days, even the USB port is completely covered, making it convenient to use in all weather conditions.
Multi-function Safety Light – Lightweight and durable bike tail light that can be mounted on all bikes, seat posts, dog collars or anywhere. It also can be used backpack lights, warning lights and more.