[3 Color & 6 Brightness Adjustable] 3 useful color temperature modes: yellow(3000K), warm white(4000K) and cool white(6000K). Each head owns an independent switch for 3 brightness levels dimmable. You can choose a comfortable setting as you wish for reading, knitting, camping, or repairing etc. [Rechargeable & Long-Lasting] USB Type-C rechargeable which is reversible and thus easier to plug in compared with other Micro-USB. Up to 80 hours (general reading, single head) of powerful, non-diminishing brightness from the included premium rechargeable 1000mAh battery. [Eye Caring & Ergonomic Design] No flickering and blue light filter design with advanced LED beads. No eye strain anymore for both kids and adults. The arms are supple and adjustable so you can get the angle most comfortable to you. Ergonomic neck around design, and it is totally hands-free! [Partner Friendly] Special narrow beam angle(90°) design. It is bright enough to the area you positioned and at the same time dim enough to not disturb your sound asleep partner. [Product Guarantee] Original patent applied. FCC, CE, RoHS, PSE approved. Worry-free 18-month warranty and friendly customer service. Product Box Contains: 1*Glocusent LED Neck Light 1*USB Type-C Cable (24") 1*User Manual 1*Bookmark NOTE: Use the included Type-C cable, your original cable or a third-party certified one; AC adapter not included.