【Comfortable and Lightweight】Weighs only 69 grams, lighter than two eggs. Wearing a running light can reduce the pressure on your head. The length-adjustable headband fits all head sizes. The ergonomic design makes the LED front clip lightweight and comfortable. 【500 Lumens and 3 Brightness Levels】 - This night running light has 500 lumens and can illuminate the road 20 m in front of you. The red screen on the back can warn of oncoming vehicles, help drivers identify cyclists, avoid accidents and provide you with comprehensive protection. 【USB Rechargeable】 - The Clip Sports Running LED is USB rechargeable and has a built-in 2000 MAH battery that can be charged via chargers, power banks, computers, etc. After 3 hours of full charge, the parking light can be used in high beam (4 hours)/low beam (8 hours)/strobe (15 hours) modes. 【Adjustable and 【Comfortable】The headband is comfortable and easy to adjust. The maximum beam angle of the headlight can reach 60 degrees to avoid dangerous