Safe Night Travel: Led bracelet has excellent quality and comfortable materials to ensure good visibility during twilight and night activities. Brightness is much higher than the glow of dark light sticks, keep running safely, your kids and pets are safe at night for many outdoor activities like cycling, jogging, dog walking, mountaineering, camping and more,Outside Running.Three lighting modes: Led Bracelet there are three lighting modes: fast flashing, slow flashing and progressively brighter mode. Control with just one click. Easy to use, you can choose one of them as your favorite mode for outdoor activities.RECHARGEABLE BANDS:Led bracelet the battery does not need to be replaced, the bands are easy to charge with the included charging cable.Adjustable LED Sport Bracelet: The LED bracelet Reflective Light is available in lengths from 11 to 13.7 inches and adjustable for arms from 11 to 12.6 inches. It is suitable for most men, women and children. You can wear it on your wrists, ankles and arms.Packaging information: 2 LED Bracelet Rechargeable + 2 USB, all-round safe companion for you and your family at night.