(Unique Horizontal Lamp Head) - Different from the traditional vertical lamp head, we design our book lights with horizontal head, more in line with our reading habits, and can fully illuminate both sides of the book, beautiful and fashionable. (Improved Rubber Clip) - The clip pad features a improved rubber clip to provide more force of friction to clip book lights more steady and firmly to where you want, also not easy to scratch the screen. Flexible 360 degree twisted tube is adjustable, durable and anti-rust. (3 Llighting Modes and 9 ) - 3 lighting modes(5 with 6000K cold white light/ 4 with 4000K warm yellow light/ 9 for the mixing brightness). Easily and quickly dim or brighten the brightness under each lighting mode by long pressing touch switch. (Charging Protection) - Built-in rechargeable 500mAh Li-polymer battery, 2 hours charging for a comfortable, bright and long-lasting reading experience. Easy to be with a standard USB charging cable. The battery also has over discharge and overcharge protection to promise you a much lamp use, which can also extend the service life. Environmentally friendly and resource saving. (Eye-protection LED ) - 9 LED beads, the highest brightness reaches 135 lumen, provides a soft eye-care lighting, anti- and no flicker to relieve your eyes fatigue. A great clip on light for reading in bed, travel or camping. Reading Mode (9 , 4500K) Neutral color temperature is suitable for reading and writing. Bright but not harsh lights can help you more focused on reading and writing. Working Mode (5 , 6000K) The daylight color temperature perfectly restored the color essence. Unbiased color allows you to work efficiently and qualitatively. Fill Light Mode (4 , 4000K) The warm color temperature is perfect for bedroom lighting. Create a warm atmosphere and easier to fall asleep. colour:black Material:ABS Package Contents: 1 * LED book lights 1 * USB charging cord 1 * User manual 1 * PP bag 1 * box Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.