[Durable rechargeable] USB Type-C rechargeable which is reversible and therefore easier to plug in compared to other Micro-USB. Up to 80 hours (general reading, single head) of powerful, 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 cold 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. [Ergonomic Eye Protection Design] No flicker and blue light filter with advanced LED beads. No more eye strain for children 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. [Partner-friendly] Special narrow beam angel design (90). It is bright enough for the area you have positioned and at the same time dim enough not to disturb your sleeping partner. Name: neck type reading lamp Color of the light: warm yellow, near white light, far white light (6000K) Brightness adjustment: stepless dimming (long press) Number of LED lamp beads: 4 Operation mode: button Shell material: PC+ABS Battery type: A lithium-ion polymer battery product Power capacity: 2000mah Input: 5V