Features: - Rechargeable with USB socket， can use thousand of times
- No more re-purchasing and changing batteries， convenient and cost efficient
- Four different flashing modes for your choice
- With rubber band， fast and easy to install on any bicycle
- Tail light with a 360-degree visibility angle to increase your safety when riding a bike
- Battery capacity: 500mAh Package weight: 0.131 kg
Package Size(L x W x H): 17.00 x 9.50 x 4.50 cm / 6.69 x 3.74 x 1.77 inches Package Contents: 1 x Bike Taillight， 1 x USB Cable， 1 x Rubber Band