Features: Enhanced Visibility: Our running light armband utilizes ultra-bright cob light and flashing modes to ensure maximum visibility and safety during night runs, cycling, and other outdoor activities. USB Rechargeable: With a built-in usb rechargeable battery, this safety armband offers convenient and eco-friendly power, eliminating the need for disposable batteries and ensuring long-lasting performance. Versatile and Adjustable: Designed for runners, cyclists, joggers, and outdoor enthusiasts of all ages, this light armband features a soft patch and adjustable strap, making it suitable for men, women, and kids. Multi-Purpose Functionality: Whether you're running, cycling, jogging, or fishing at night, our armband provides a reliable and ultra-bright torch emergency work light, ensuring you're prepared for any low-light situation. Comfortable and Durable Design: The running light armband is equipped with soft patch lamp beads, ensuring a comfortable fit for extended wear, while its durable construction makes it suitable for various outdoor activities. Specification: Light source form: LED Battery capacity: 800 mAh Material: ABS Charging: Type-C Notes: Please allow slight tolerances in size due to manual measurement, aning in photography may result in a difference in color than in real. Include: 1 * Reflective running armband 1 * Charging cable