About this item [3 Color & 6 Adjustable Brightness] 3 useful color temperature modes: yellow (2700~3200K), warm white (4200K) and cold white (6000~6500K). Each head features an independent switch for 3 dimmable brightness levels. You can choose a comfortable environment as you wish for reading, knitting, camping or repair, etc. [Eye care and ergonomic design] No blue and sparkling light filter design with advanced LED beads. No eye strain for children and adults. The arms are flexible and adjustable so you can get the most comfortable angle for you. Ergonomic neck around the design, and it is totally hands free! [Rechargeable and Long Lasting] Type-C USB rechargeable which is reversible and therefore easier to connect compared to other Micro-USB. Up to 80 hours (general reading, single head) of powerful, non-decreasing brightness of the included premium 1000mAh rechargeable battery.