Description:[3 colors & 6 brightness adjustable] three useful color temperature modes: yellow (3000K), warm white (4000K) and cold white (6000K). Each head has an independent switch that can adjust three levels of brightness. You can choose a comfortable environment for reading, weaving, camping or repair according to your preferences.[rechargeable and durable] USB type-C is rechargeable and reversible, so it is easier to plug in than other micro USB. The attached high-quality rechargeable 1000mah battery can provide strong and undiminished brightness for up to 80 hours (normal reading, single head).[eye protection and ergonomic design] adopt advanced LED light beads, no flicker and blue light filtering design. The arms are soft and adjustable, so you can get the most comfortable angle. Ergonomic neck surround design, completely free your hands![partner friendly] special narrow beam angle (90 ) design. It is bright enough for you to locate the area, and dark enough not to disturb your sleeping partner.Specifications:Color: BlackLight source type: white light + warm light + yellowEnergy source: USB charging, battery poweredLampshade material: plasticSwitch type: push buttonProduct weight: 144gLight source power: 3WNumber of light sources: 3Special issue: ergonomic design, eye protection, super flexible arm, knitting, sewing, crochet reading lamp, round neck lamp, handicraft lamp, three color temperature modes, up to 80 hours of working time, rechargeable, hands-free, 6-level brightness adjustable ergonomic designPackage Included:Neck lamp * 1Color box packaging * 1Instructions * 1Charging line * 1