Super bright bike LED taillight features 4 modes and USB recharging, great choice for night riding.

Features:
4 lighting modes, reminding passengers and drivers to keep a safe distance. 
Convenient USB charging, just connect it with any USB devices.
Made of high-quality plastic, weather-proof and durable.
Mini size for convenient carrying.
Comes with 2 rubber O rings for easy installation on your bike seatpost.

Specifications:
Material: Plastic
Color: Blue / Red / White (optional)
Brightness: 15 lumens
Dimension: Approx. 73 * 23 * 20 mm / 2.9 * 0.9 * 0.8 in
Weight: 14g / 0.5oz
 
Package List: 
1 * Bike Taillight
1 * Charging Cable
2 * Rubber Ring