[3 Colors & Adjustable Brightness]The reading light for books in bed has three color temperature modes, cold white, warm yellow, warm white. Narrow beam angle(90degree) design won't disturb your sound asleep partner. With the neck light, you can focus on doing anything, no need to hold the flashlight with your hand or mouth.[Rechargeable & Long-Lasting]Rechargeable neck reading light. Built-in 2000mAh rechargeable lithium battery enables you to enjoy the wireless reading time of 60hours. Standard micro-USB cable included. Notice: this neck light can only be charged by the 5V Adapter/USB port.[Flexible Arms & Lightweight]The book lights with soft silicone arms can be bent, folded into any shape to create the perfect lighting conditions for you in different conditions. It is very lightweight that you can carry it in your bag every day.[Wide Application]Perfectly suitable for indoor or outdoor, such as reading, night joggingcolour:BlackMaterial:ABSsize:Neck length: 17cmPackage Contents:1 x Reading Light1 x usb data cable