Product description Size: 18 * 8.5 * 3.5cm Material: ABS plastic shell + metal rod Product color: black Light source: 14 LEDs, of which 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 light mode, 4 hours in high light mode Delivery content: 1 x LED book lamp 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, relax color and reading color. 2. 360 flexible and adjustable gooseneck Elegant design, LED reading lamp 360 degrees flexible gooseneck tube enables the height and angle to be adjusted and can be rotated. This will hold the lamp in the position you want. 3. Double head lamp and adjustable rubber padded bracket This double head reading lamp is brighter than other single head lamps. With soft rubber avoids damage to the surface of the clamp, can be non-slip. 4. Eye care light and no flickering Equipped with an LED chip that enables even distribution of the light. The soft, monotonous and non-flickering lighting protects your eyes and offers you a more pleasant reading and writing experience. 5. Rechargeable and mini size Supplied with a 1000 mAh battery and USB charging cable, easy to charge. Lightweight and compact, small portable reading lamp, ideal for reading, working, for laptop, music stand, piano, bed, desk.