1. High-gloss reflective strip/thick edging/breathable mesh cloth, uniform and smooth sewing 2. Adhesive design on waist makes it more convenient to wear 3. There is a built-in pocket in the front, you can put the phone key and other items in the pocket when running sports 4. Fabric: Breathable mesh 5. Lighting mode: fast flashing-slow flashing-always on-off 6. Power supply: button battery
