About This Item[Rechargeable & Durable] USB Type-C rechargeable which is reversible and therefore easier to plug in compared to other Micro-USB. of powerful and non-diminishing brightness thanks to the included 1000mAh rechargeable battery. [3 Colors & 6 Adjustable Brightness] 3 useful color temperature modes: yellow (3000K), warm white (4000K) and cool white (6000K). Each head has an independent switch for 3 levels of adjustable brightness. You can choose a comfortable setting as you like for reading, knitting, camping, or repairing, etc. [Eye protection & ergonomic design] No flicker and blue light filter with advanced LED beads. No more eye strain for kids and adults. The arms are flexible and adjustable so you can get the most comfortable angle for you. Ergonomic design around the neck, and the hands are completely free. It is bright enough for the area you positioned and at the same time dim enough not to disturb your sleeping partner. Note: Data is manual measurement, please allow error of 1-30cm, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.