4id PowerArmz Light Up Armband - Blue.

4id PowerArmz Light Up Armband - Blue. Ultra Bright LEDS 70 hours steady operation 100 hours flashing burn time Safe for wear in all weather Band is adjustable Stay equipped for all your outdoor training with the "Power Armz" arm band. This light adjustable armband is powered by high intensity LED lights that will make sure you are both safe and visible even in the most extreme conditions. Batteries are included, uses 2 CR2032 batteries.