【Warm Light to Protect Your Eyes】: With 3 adjustable brightness levels - 1600k, 5500k and 2800k, just short press to control the brightness, the book light has soft light, will protect your eyes from strong light, perfect for book and ebook reading in bed. 【Flexible, Portable and Lightweight Lamp Arm】: The soft and skin-friendly silicone lamp arm can be bent into any shape, and the weight is light, only 180g, very small and lightweight, convenient to carry or put on the bed. You can take this fantastic lamp with you wherever you go. The neck lamp can be used for reading books and can also be used as outdoor lighting for convenient travel. 【Detachable lamp head and 2 independent control centers】: The lamp head is detachable, and there are two USB A ports that can be charged directly when you remove the lamp head, so no charging cable is required. Do not insert 2 USB ports at the same time! The lights on both sides can be individually controlled on the switch and brightness adjustment.