【3 Different LED Beads】 The new design has added a new light source (AMBER) to improve the light of our book. The amber light is 99.95% blue light free to encourage you to sleep better after reading for a while. 4 colors x 3 brightness settings. 【Eye Protection LED Source】 The light source is soft and suitable for reading/working because it will not produce flicker, shadow, dizziness or negative radiation. The most suitable light can illuminate both pages of a book, notebook or anything else, making reading less tiring for your eyes. You can read in bed to enjoy your time without disturbing your partner or roommate. 【Adjustable Neck Pillow and Clips】 The flexible gooseneck allows it to be bent 360 degrees to any desired position, and its lightweight size and compact design make it easy to carry even when traveling. The sturdy clamp pad can stand alone or firmly clamp an e-reader, book, shelf, etc., it fits many places. 【USB Rechargeable Battery】 Built-in 1000mAh Li-ion rechargeable