Do you still worry 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!! This LED Armband with High Visibility for Running / Walking / Cycling / Biking / Jogging and Outdoor Gear. Durable Nylon Band Encases a flexible LED core - and loop closure is secure and adjustable can be comfortable when you run. Feature - Color: Green. - Material: Nylon. - Size: 28.2 x 2.5 x 1.2cm. - High Visibility, Powered with USB rechargeable battery, this LED slap band provides 360 degree ultra-high visibility in dusk and nighttime activities,The brightness is much higher than glow sticks. That means greater safety for you, your children or your pet from negligent and drivers - One size fit all, it fits on both adult and children, men and women, by simply it to different position, such as wrist, ankle, and arm. If you want to use it around the biceps, please check the dimension to see if it can fit on - USB Rechargeable, no battery request, flashing up to 2 hours and can be fully charged in 20 minutes. Three Flashing Mode: fast flash, slow flash, and full illumination. - Easy to wear, designed with comfort in mind. material is super thin high strength nylon material and bottom layer with fabric to make it to prevent fatigue and discomfort for wearers of all ages. Comfortable On Both Children And Adults. Package list: 1 x Armband