Bike Helmet Warning Tail Light Usb

20 Lumens high brightness: provides a powerful light source, ensuring visibility and safety during night rides. 9 Modes to switch at will: multiple lighting modes to meet different environments and needs, easily adapting to various cycling situations. Lightweight and durable: made from abs pc material, it's both lightweight and durable, suitable for long-term use. Small and portable, one-handed operation: compact design for easy portability and one-handed operation, making it convenient to use. Usb charging with 220mah battery: built-in 220mah battery, rechargeable via usb, offering long-lasting power and easy use.

20 Lumens high brightness: provides a powerful light source, ensuring visibility and safety during night rides. 9 Modes to switch at will: multiple lighting modes