Features: USB Rechargeable: Can be charged by a USB cable for long-term service. No battery replacement required. 3 Modes: Fast Flash (press once), Slow Flash (press twice), Steady On (press third). Button control for easy operation. Waterproof Reflective Strips: High-brightness reflective material, easy to identify at night. Suitable for various outdoor activities. High Brightness: Features LED strips on both front and back. The visible distance of the reflective vest is up to 300 meters. Elastic Fabric: Stretchable elastic fabric for a snug fit. With adjustment buckles, it fits both adults and children. Notice: Actual color may be slightly different from the image due to different display and lighting effects. Please allow 1-3 cm deviation due to manual measurement. Specifications: Elastic band width: 4 cm Reflective film width: 1.5 cm Weight: 145 g Suitable for waist circumference: 64105 cm Shoulder height: 3346 cm Color/Style: As shown in picture Includes: 1 x Vest 1 x Charging Cable