Features: USB Rechargeable: Can be charged by a USB cable for a long term service. No battery replacement required. 3 Modes: Fast Flash(press once) /Slow Flash(press twice)/Steady On(press third) available. Button control for easy operation. Waterproof Reflective Strips: High-brightness reflective 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 more snug fit. With the adjustment buckles it suits both adults and children. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Elastic band width: 4cm Reflective film width: 1.5cm Weight: 145g Suitable for waist circumference: 64-105cm Shoulder height: 33-46cm Color/Style: As the picture shown includes: 1 x Vest 1 x Charging Cable "