[9 LEDS & 3 COLOR TEMPERATURE]:This reading light equipped with 9 upgraded leds which life span is more than 50,000 hours to diver more uniform luminance than normal leds. The reading light has 3 color temperatures(3000k to 6500k), which can meet all your needs. You can your favorite comfortable setting according to your demands, such as reading, working, studying, sewing, camping, or sleeping etc. [Eye Protection] - This reading light has a flicker-free, anti-blue light, eye protection light source so you won't get tired or affect your circadian rhythm even after long hours of reading. [360° Adjustable] - This book light with 360° gooseneck tube allows you to adjust it to any angle you want. And you 't have to worry about disturbing your kids/partner at night, it creates a perfect private space for reading in bed. [ NON SLIP STAND] The bottom of the clip is equipped with a non-slip mat, which can effectively the light stays firm wherever. The reading light is only 2.1 super lightweight, easily fits in your bag or purse, it is a perfect companion for traveling or camping. [Rechargeable Book Light] - -in 500mAh rechargeable battery can supply continuously for 10 hours reading at low brightness. It can be powered by USB charger, laptop, mobile , car USB, etc. (cable included). MINI size and lightweight design clip-on reading light is a great gift for kids camping and travel, easy to carry and makes your trip hassle-free. color:Black Material:plastic Package Contents: 1 x Book Light 1 x USB charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.