About this item 【XPG LIGHT SUPER BRIGHT】Designed with 1 super bright big cool white LED in the front and 8 red LED in the back. Casting up to 530 lumens CREE LED within 0-50 meters visibility, this super bright hands-free night running light, features 3 cool WHITE modes (high/medium/flashing), and the red led also indicates residual charge. 【 USB RECHARGEABLE & LONG LIFE】Come with a micro USB charging cable, our chest light adapts to multiple USB interfaces, which is easily charged by computer, power bank (Charging voltage : 3.7-5V). Fast charging, low power and long life,When the battery indicator only have one light on,means you should charge it.With just 5.5 hours charge, the headlamp can provide up to 3-5 hours of constant light. 【 REFLECTIVE VEST & MORE SAFETY】Upgrade reflective vest night running light with IPX4 water-resistant design ideal for outdoor activities, night running, walking, jogging, camping, hiking, fishing. (Note: NOT suitable for riding). This Led chest lights for runners can be used as running lights, jogging lights, walking lights etc, Which helps you see and be seen in the dark more easily and clearly, provide you all-round protection. 【LIGHTWEIGHT & COMFORTABLE】: This Led chest lights only weight 99.79g(0.2205 pounds), the size of the strap can be adjustable very easily and the elastic design makes it more comfortable and convenient to wear. So it will suitable for anyone. 120° Adjustable Beam Angle that allows it to illuminate the ground and slopes very well, which also dramatically reduces glare from reflecting back to your eyes. 【100% SATISFACTION GUARANTEE】: Our LED running light comes with a 100% Satisfaction Guarantee. If there is any quality problem about our products, we will give you a full refund or send you replacement within 3 month .