Description: Reflective Band: Stay safe during outdoor sports with this reflective armband, which emits bright, long-lasting LED light to indicate movement at night Long Life Usb Charging: With 4 light modes including long light and fast flash, this LED running vest is for night running and provides up to 3 hours of continuous use on a full charge Security And for Protection: Keep yourself visible and safe in low light and with this reusable reflective gear, for outdoor activities like running Full Charge Can Be Used For 3 Hours: This LED running vest is designed for longevity, offering a full 3 hours of use on a single charge, making it for extended outdoor activities Suitable For Outdoor Sports: Whether you're running, cycling, or walking at night, this reflective armband is a must-have for staying visible and safe in low light conditions Specification: Material: ABS. Size: Approx 32CM/12.60inch. Circumference of the whole armband: 32CM, product width: 2.5CM 4 luminous modes: usb charging Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: Body + data line *1