"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 brightness mode, 4 hours in high brightness modeScope of delivery:1 x LED book lamp1 x USB charging cable 1 x Instruction Manual1. 9 Modes & Color Temperature Memory Function 3 color temperatures x 3 brightness adjustments, a total of 9 modes. Adaptable to; different lighting situations. 3 color temperatures from 2800K to 2800K 7000K, including normal color, relax color and reading color.2. Flexible and adjustable gooseneck; 350 Elegant design, reading lamp with adjustable angle. LED The tube has; flexible gooseneck with; 350 degrees allows you to readjust the height and angle and rotate it. This will hold the lamp in the desired position.3. Dual headlamp and padded stand; Adjustable Rubber Headlamp This double head reading light is brighter than other single headlamps. With soft rubber prevents damage to the clamp surface, can be non-slip.4. Eye-caring light and no flicker Equipped with: an LED chip which allows uniform distribution of light. 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. load. Small, lightweight and compact portable reading lamp, ideal for reading, working, for laptop, music stand, piano, bed, desk. "