The Nylon Running LED Armband is bright and has high visibility to protect your safety, providing you with 360-degree ultra-high visibility in low-visibility scenes and activities such as early morning and night, suitable for running, cycling, walking, pet walking, and other outdoor activities. Comfortable easy to wear, just slap it where you want to wear it like wrist, ankle, or arm. The built-in LED light has 3 lighting modes: fast flash, slow flash, and steady light; powered by CR2032 standard battery with 50-70 hour battery life. Made of high-quality skin-friendly nylon, which can prevent sweat, rain, and dust, comfortable & lightweight, suitable for adults and children. Get this product NOW for any nighttime activities!