[High Visibility LED Reflective Vest]Enhance your safety during night activities with this versatile LED reflective vest, perfect for running, cycling, and other outdoor sports. [Adjustable Design]Features an elastic band with adjustable buckles, accommodating waist sizes from 72-100cm and shoulder heights from 36-43cm for a comfortable, secure fit. [Multi-Color LED Modes]Equipped with bright LED strips offering five color options and three lighting modes: steady, slow flash, and multi-color, ensuring maximum visibility in various conditions. [USB Rechargeable]Powered by a built-in 150mAh lithium battery, easily rechargeable via USB for convenient, long-lasting use. [Durable Construction]Made from polyester and latex thread, this vest combines durability with flexibility for comfort during extended wear. Specifications: Battery capacity: 2 x 3V 150mAh rechargeable lithium batteries Material: polyester latex Elastic band width: 4cm Reflective film width: 1.5cm Adjustment range: waist circumference: 72-100cm, shoulder height: 36-43cm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.