Product descriptionSize: 18 * 8.5 * 3.5cmMaterial: ABS plastic shell + metal rodProduct color: blackLight source: 14 LEDs, including per arm (7 pieces)Power: 2.4 WPower supply: 1000mAh batteryLife expectancy: 10000 hoursCharging time: 1.5 hoursColor temperature: 2800K-7000K (white light, warm white light, warm light)Working time: 60 hours in low light mode, 4 hours in high light modeScope of delivery:1 x LED book lamp1 x USB charging cable1 x manual Instructions1. 9 Modes & 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 Adjustable Flexible Gooseneck Stylish Design, LED Reading Light 360 degree flexible gooseneck tube can adjust the height and angle and rotate it. This will hold the lamp in the desired position.3. Dual Headlamp & Adjustable Rubber Padded Holder This dual head reading light is brighter than other single headlamps. With soft rubber prevents damage to the pliers surface, can be anti-slip.4. Eye-Caring Light & No Flicker Equipped with LED chip which 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.