Product description Size: 18 * 8.5 * 3.5cm Material: ABS plastic shell + metal rod Product color: black Light source: 14 LEDs, 7 per arm Power: 2.4W Power supply: 1000mAh battery Life expectancy: 10,000 hours Charging time: 1.5 hours Color temperature: 2800K-7000K (white light, warm white light, warm light) Working time: 60 hours in low light mode, 4 hours in high light mode Delivery content: 1 x LED book lamp 1 x USB charging cable 1 x instruction manual 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, relax, and reading light. 360-degree flexible and adjustable gooseneck: Elegant design with a 360-degree flexible gooseneck allows height and angle adjustment. The lamp can be rotated and held in the desired position. Double head lamp and adjustable rubber-padded clamp: This double head reading lamp provides brighter illumination than single head lamps. Soft rubber padding prevents surface damage and ensures a non-slip grip. Eye care lighting with no flickering: Equipped with LED chips for even light distribution. The soft, consistent, and flicker-free light helps protect eyes and enhances the reading and writing experience. Rechargeable and compact design: Built-in 1000mAh battery with USB charging cable for convenient charging. Lightweight and portable, ideal for reading, working, laptop use, music stands, pianos, beds, and desks.