Upgraded 3 Brightness to Chosse - 7LED and 3 Brightness modes in total, Featuring 3 color temperatures(3000K to 6500K), Press the switch and hold for 3 seconds to change light color. Satisfying different light needs in , such as reading, working, studying, sewing. Easy to Charge - Built in rechargeable lithium battery and micro-USB port. Enjoy your wireless 30 HOURS reading without charging at brightness setting (Warm, Low). Standard Android micro-USB cable included. Allowing you to recharge your book light via laptop, power , 5V phone charger (not included). Eye-Protection & No Flicker - There are 3 Colors Levels, Stable and the perfect brightness that keeps your eyes comfortable and protect your eyes from shining hurt and radiation. & Portable Design - Small in size, 2.82oz , Perfect as book lights, bedside lamps, music stand light, computer light, desk light or for headboard reading, camping, kid's night reading, study, keyboard, , makeup, sewing, painting, tailoring, DIY tasks and hobbies. Flexible Neck&Sturdy Clip - This clip light is flexible and provide 360 degrees functionality. Double rubber pad on the clip protects pages from being damaged. Colour:Black Material:Plastic Package Contents: 1 * Book Light 1 * USB Cable Only the above package content, other products are not included. Note: Light reflection 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.