[Super Bright LED Lighting and Reflective Material] Increase your visibility and safety in your night sports activities. Be visible in the dark when running, biking, walking your dog or other outdoor activities. Brings better visibility than other reflective sports accessories. [Adjustable Size] 29-36cm length light strips are adjustable. They are suitable for most men, women and children. You can wear them on the wrist, ankle and arm. Of course, you can also use the LED wristband on your backpack, bike or jacket. [The strip light has three lighting modes] Fast and slow flashing, continuous lighting, you You can choose one of them as your favorite mode outdoors -Activities. [USB Rechargeable] No need to change batteries, no polluting batteries. Easy recharging thanks to any USB port. [For all your events] In addition to cycling or running, such as jogging or walking, this LED bracelet finds its place on all themes possible and imaginable: discotheques, bars, festive halls, concerts, parties and festivals.