USB Rechargeable: These reflective LED lights do not require batteries and can be charged via any USB interface, laptop, mobile charging device, etc., to provide you with an efficient and simple experience. USB Rechargeable: These reflective LED lights do not require batteries and can be charged via any USB interface, laptop, mobile charging device, etc., to provide you with an efficient and simple experience. 4 Light Changing Modes: This outdoor night clip in walking lights has up to 150 lumens of light and is designed in 5 different lighting modes, respectively, medium (50%), low (30%) andred flashing for different situations, you can easily one button lighting modes Safety Design: These reflective USB rechargeable traffic lights are bright enough to illuminate you and the road around you while you are jogging at night, so others can see it from hundreds of meters away, thiswhich reduces the frequency of accidents and makes exercise easier.Outdoors at night Widely applied: These reflective USB rechargeable lights can be hung on hats, belts, collars, pockets, backpacks, dog collars, etc., so as not to hold them in hands, reducing the burden of running, thejogging.Climbing, camping, outdoor activities, convenient to use