Product description Size: 18 * 8.5 * 3.5cm Material: ABS plastic shell + metal rod Product color: black Source of light: 14 LEDs, including per arm (7 pieces) Power: 2.4 W Power supply: 1000 mAh battery Esprance life: 10000 hours Charging time: 1.5 hours Color temperature: 2800K-7000K (white light, warm white light, warm light)< /p> Working time: 60 hours in low light mode, 4 hours in high light mode Package contents: 1 x LED reading light 1 x USB charging cable 1 x instruction manual 1. 9 modes and color temperature memory function 3 color temperatures x 3 brightness settings, a total of 9 modes. Adaptable to different lighting situations. 3 color temperatures from 2800K to 7000K including normal color, relaxing color and reading color. 2. 360 Degree Flexible and Adjustable Gooseneck Stylish Design, LED Reading Light The 360 degree flexible gooseneck tube can adjust the height and angle and can be rotated. This will hold the lamp in the desired position. 3. Dual Headlamp and Adjustable Rubber Padded Holder This dual head reading light is brighter than other single headlamps. With soft rubber, prevent damage to the clamp surface, can be anti-slip. 4. Eye-care and flicker-free light Equipped with an LED chip that provides even light distribution. Soft, monotonous, non-flickering lighting protects your eyes and gives you a more pleasant reading and writing experience. 5. Rechargeable and mini size Comes with 1000mAh battery and USB charging cable, easy to charge. Small, lightweight and compact portable reading lamp, ideal for reading, working, for laptop, music stand, piano, bed, desk.