[3 Colors and 3 Brightness Adjustable] 3 practical color temperature modes: warm white (3000K),natural white (4000K) and cool white (6000K). Each lamp has an switch to adjust 3 brightness levels. You can choose a comfortable setting according to your needs for reading,knitting,camping or repairing,etc. [Rechargeable and Long-lasting] USB Type-C rechargeable,reversible,so it is easier to plug in compared to other Micro-USB. The included high-quality rechargeable 1000mAh battery provides powerful,undiminished brightness for up to 80 hours (general reading,single ). [Eye Protection and Ergonomic Design] Advanced LED lamp beads with flicker-free and blue light filtering design. No more eye fatigue for both children and adults. The lamp arm is soft and adjustable,so you can get the most comfortable angle. Ergonomic neck design,completely free your hands! [Partner-Friendly] Special narrow beam angle (90) design. It is bright enough to illuminate the area you place it,while being dim enough not to disturb your sleeping partner. Colour:Black Material:Plastic Package Contents: 1x LED neck lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.