General description Brighter and safer: Front and rear light strips and reflective strips provide 360° reflection and visibility to help you stand out in the dark. A must-have for anyone who likes walking, running, or cycling in the dark. Technical specifications Weight: 80 grams Charging: USB rechargeable with 2 micro USB ports for simultaneous charging Light modes: 3 modes (slow flashing, fast flashing, steady) Compatibility and accessories Universal fit: Highly elastic and adjustable design suitable for different body sizes Can be worn over jackets or coats in winter Installation Easy to put on and take off: Just pull it over your head and one arm Usage Ideal for jogging, running, cycling, dog walking, hiking, and other outdoor sports Weatherproof design with a small waterproof bag for the battery