DescriptionDo you still worry about your safety when you running, walking, cycling in the dark at night? What to do if you feel dangerous when you are on the road? Come here! Our LED glowing armbands are made with high grade material for durable and long-lasting use.Features-Material: Nylon -Note: It is powered by USB. -Adoption of high grade materials, can be reused for a long period without damage. -High-grade wristband is firmer, delicate, adjustable, beautiful and not easy to skid off. -The luminous bracelet is great for all kinds of outdoor activities, such as running, cycling. -You can wear the armband with your left or right arms or share with your friend or family. -Its very light that youll not feel uncomfortable wearing it when youre running, cycling.