Bright Waterproof Bicycle Tail light

Tired of changing batteries each week? Not anymore with the YOSKY USB Rechargeable Bike Lights. It charges from any computer, laptop or other device with a USB port. Built-in high quality rechargeable lithium battery, using the most convenient USB charging cable, only takes about 2 hours to fully charge. SAVES a lot of money on purchasing batteries every year for you! Features 180 degree wide angle visual design and high visibility up to 200 meter visible ensure your safe riding. Imported high brightness LED chip up to 120 lumens, low power consumption, long service life make it very worthy to have one of this bicycle taillight. Yosky bike lights have been designed to offer 7 different settings that can be used for optimal road safety.  The red light is commonly used as a bike taillight, the blue can be used as a bike headlight, the slow flash is ideal for foggy mornings and the fast flash is best used when headed out for nighttime bike rides. USB rechargeable with decent battery lif