Product Description Size: 18 * 8.5 * 3.5cm Material: ABS plastic shell + metal rod Product color: black Light source: 14 LEDs, including per arm (7 pieces) Power: 2.4W Power supply: 1000mAh battery Life expectancy: 10000 hours Charging time: 1.5 hours Color temperature: 2800K-7000K (white light, warm white light, warm light) Working time: 60 hours in low mode brightness, 4 hours in high light mode Package Content: 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. 360 Degree Adjustable Flexible Gooseneck Elegant Design, LED Reading Light The tube 360 degree flexible gooseneck allows for height and angle adjustment and can be rotated. This will keep the lamp in the desired position. Dual Headlamp & Adjustable Rubber