3 block 3 color light:Each head has an independent switch, when you control the on light at any time, control the brightness 3 dimming, white, warm white, warm yellow light color temperature and on / off, 3 light intensity, low light, medium light, s Hands-free and easy to place:Hang on the neck, free your hands, so that you can use the light at any time when you need it, the design of the light so that your eyes have better protection. Put on the neck to adjust the angle at will, put on the tabl Ergonomic design:LED neck reading light with rounded design, comfortable to wear does not hurt the skin, wear a smooth let you have a feeling of light as nothing. USB charging and superb battery life:Type-c is easier to insert compared to other Micro-USB. Built-in 1000mAh high-capacity battery, can last 60-80h without fear of power failure, accompany you every night into the moment! Exquisite gifts and satisfaction guarantee:I believe customers who have our products will like this product. If you are not satisfied with our products or have any questions, please feel free to let us know and we will always reply you.