( 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, and anti-rust. (3 Llighting Modes and 9 LEDs) - 3 lighting modes(5 LEDS with 6000K cold white light/ 4 LEDS with 4000K warm yellow light/ 9 LEDS 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