[3 Light Modes and 3 Levels of Brightness Adjustable]The reading light on the bed has 3 temperature light modes adjustable, yellow (3000K), warm white (4000K) and cool white (6000K). Each head has an switch with 3 levels of brightness adjustment. Choose a comfortable environment when reading, knitting, camping, repairing, etc. [Flexible Arm and Portable Pocket Reading Lamp]Book lamp for bed reading, covered with high-quality comfortable soft rubber, anti-sweat, wear-resistant, bendable, twisted, folded into any shape, simple to create your own angle in different environments Perfect lighting. Weighing only 0.22 pounds, it fits easily in your carry-on luggage or pocket, making it Perfect in every way. [Hands Free, Eye Care, Not Disturbing Others]Use a book lamp, instead of holding the flashlight with your hands or mouth, just wear the lamp around your neck when reading or eyebrow trimming, it helps to focus on what you are doing without worrying light. Flicker-free and blue light filtering design with advanced LED beads. No more eye discomfort for children and adults. Narrow beam angle (90) design will not disturb your sleeping partner. [Rechargeable & Long-lasting Use]Rechargeable USB rechargeable book light. Contains rechargeable built-in 1000mAh battery that provides up to 80 hours (normal reading, single head) of power without reducing brightness. No need to waste money on batteries. [Best Gift ]Note: If you receive a reading light, if the light is dark, it means that the power is not enough, please fully charge it before use Colour:black Material:plastic Package Contents: 1 x Neck Reading Light 1 x USB Cable 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.