General Description: The neck reading light is designed to provide comfortable and convenient illumination when you are reading, knitting, sewing, camping, or jogging. With its ergonomic and lightweight design, you can keep your hands free while it provides light adapted to your needs. Technical Specifications: Color Temperatures: Warm light (3000K), Natural light (4500K), Cool white light (6000K) Built-in battery: 1000 mAh Battery life: Up to 80 hours (depending on brightness settings) Weight: 128 g Installation: Rechargeable via included USB cable Usage: Each lamp head has an independent switch for easy control. Long press the switch to adjust the brightness. The 360° flexible arms allow you to direct the light where you need it. Ideal for reading without disturbing others thanks to the option of lighting only one lamp head. Other information: Designed with a non-slip pad for optimal comfort. Uses advanced LED light beads to protect your eyes.