70 Adjustable BeamIn order to prevent dangerous injuries, the maximum beam angle of the headlight can reach 70 degrees, which can meet the requirements of uphill and downhill. Rotary adjustable lights let you see far enough ahead to avoid hazards on the road. USB RechargeableThis running light comes with a micro USB charging cable that can be used after every use, ensuring you are always visible when you need it. A full charge takes about 5 hours via the included micro-USB cable, which is based on a powerful 2200mAh rechargeable battery. 3 Brightness Lighting ModesThe front running lights can freely switch between high beam, low beam and strobe mode by pressing the ON/OFF button. It uses 8 red LEDs on the rear to indicate remaining power and safety warnings. The night light illuminates the road 30 meters ahead at night, giving you a clear view of the road ahead. LIGHT AND COMFORTABLEVery lightweight, with a flexible fastening waistband with adjustable length, providing a comfortable fit for most different body types. Fits most people in different sizes. Perfect for anyone who loves running, jogging, walking, hiking, camping, finishing, and more. Waterproof and MultipurposeOutdoor IPX65 waterproof design, ideal for outdoor activities, more reliable and durable. The chest running light is adjustable for women, men and children. The rechargeable LED light is perfect for those who love to run, jog, walk, hike, camp, finish, explore caves and more. Colour: Black Packing list: 1pcs