Bike Turn Signals Front and Rear Light

1.USB charging, Waterproof   2.Reative and stylish appearance, well coordinate with all kinds of bicycle: mountain bike ,road-bike, off- road bike ,racing bike  3.Together with smart remote control, easily control the right/left turn signal, emergency light and alert guides, provide great safety for cyclist during night time or rainy day   4.Ultra-bright LEDs rare light make you visible from blocks away. It is your best partner for outdoor biking  5.The bike tai