[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 read, single head) of powerful, non-dimming brightness from 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. [Ergonomic Eye Protection 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. [Partner Friendly] Special narrow beam (90) angel design. 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 Light color: warm yellow, near-white light, far-white light (6000K) Brightness adjustment: stepless dimming (long press) Number of LED lamp beads: 4 Working mode : button Shell material: PC+ABS Battery type: A product lithium-ion polymer battery Power capacity: 2000mah Input: 5V