This reflective armband has a built-in LED light, making you much more visible in the dark. It's the perfect choice for all outdoor enthusiasts! When night falls, everything becomes more visible. This armband is equipped with a reflective strip and a built-in LED light, making you more visible in the dark and increasing your safety. The LED light is powered by a rechargeable battery and can be easily charged with the included USB cable. In addition, this armband is comfortable to wear and can be worn on the wrist, ankle, or wherever you want. Whether you're at a lively concert or jogging in the evening, this armband is perfect. It's also an indispensable tool for hikers who love to explore forests and mountains, or parents who want to keep an eye on their children when they're out. Available in a variety of cool colors! The reflective armband has a built-in LED light that provides maximum visibility in the dark. It's the perfect choice for outdoor activities and nocturnal adventures. Material: Nylon, Plastic, LED. Size: 21 cm long. Colors: Available in white, green, blue, or pink. Quantity: Available in single or double pack. Includes: Reflective strip and USB charging cable. Comfortable to wear and adjustable. Suitable for the whole family. Rechargeable and durable.