Jiying USB Rechargeable Bike Light Set, LED Bicycle Front Headlight and Rear Taillight, 650mAh Lithium Battery, IPX4 Waterproof, Easy to Mount & Remove, 2 Sets

Advanced Charging Technology – With USB Rechargeable 650mAh high capacity Lithium battery that lasts up to 10 hours. You can recharge the lights via a USB cable connected to any power output device, which is very convenient.
Easy to Intall – Easy to mount or remove with the equipped silicone straps that can be stretched up to 4.72” and fit most seat posts, handlebars, seat risers, backpacks, and helmets.
Super Bright & 4 Modes Optional – Featured Cree LED chips that provide you with maximum bright and extra safety. The One-Touch switch with 4 lighting modes provides you good performance depending on your needs, including Full Brightness, Half Brightness, Fast Flashing, and Slow Flashing.
Waterproof & Durable – Made of grade materials and with IPX4 waterproof feature, the led Headlight and Taillight can be used in snow, rain, storm and even underwater.
Muti-functional – This is not only just a bike light set for cycling, hiking, camping, or any outdoor activity but also can be used as emergency flashlight in places where visibility and safety are concerned.