Description: The clip on lamp has 3 colors: 6000k cool white; 3000k warm yellow; 4000k cool white+warm yellow(Slight touch the button to switch light colors); Besides, featuring convenient switch control design, our book lamp allows you to adjust brightness steplessly (Long press to adjust brightness), perfectly satisfies your different lighting needs of reading, working, sleeping and etc. Designed with 30 LED bulbs, the lighting source is soft as it won't produce flicker, dizzy or negative radiation, reducing eye fatigue after long-time reading. The 155mm light-emitting surface of the large lamp holder illuminates the entire tabletop, uniformly and without ghosting. The most suitable light can light both pages of a book, notebook or anything else, you can read in bed to enjoy your time without disturbing your partner or roommate. The flexible goose neck allows it to be bent 360 degree to any position you want. Wonderful as book lights, bedside lamps, music stand light, computer light, desk light or for headboard reading, camping, kid's night reading. Built-in 2000mAh Li-ion rechargeable battery and micro USB port. The clip is equipped with a groove and a suggested pen holder, which can be used as a mobile phone holder to easily take online lessons and watch videos Portable & Practical: Small size and compact design, easy to carry even travel or on business. Specification: Material: ABS Switch mode: Touch Size Chart: 15.5x12.5x35cm/6.10x4.92x13.78inch Package Includes: 1 Piece Lamp 1 Piece USB cable 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!