DescriptionThe item is a cool LED flashing armband, which is made of durable nylon materials and features size adjustable design for comfortable to wear on your arm. It is powered by battery to give off bright light so as to keep away potential danger, and ensure the safety of bikers, runners, joggers or anyone who mostly out at night. Therefore, it is really a wonderful LED flashing safety armband for choice.Features- Color: Blue - Material: nylon. - Size: 24.5x4x0.1cm - Battery: 2 x CR2016 - Outdoor Sports LED Luminous Reflective Armband. - Adopts LED as light source to give off bright light. - Equipped with a luminous reflective lattice, for better ensuring your security at night.- 3 working modes for choice: Steady ON, Fast Flashing, Slow Flashing. - A good road guider for children and old people when going for a walk in the twilight or dark places. - Also suitable for outdoor sports, night running, large-scale festival party, concert, promotion, cheer, employee benefits, corporate events and so on.