Box of 2 - LED Armband / Wristband / Bracelet for Running At Night - 3 Settings: Fast Pulse, Slow Pulse, Steady - Safe & Bright Box of 2 LED Running Armband / Wristband / Bracelet One size fits all arms / wrists! Adjustable! Great for running, walking, hiking, or biking at night or in the darkness 3 Settings: fast flash, slow flash, or solid Betteries Included  90+ Hours Battery Life