Features: 100% brand new and high quality 3 useful color temperature modes,1600-5500-2800, Each head owns an independent switch for 3 brightness levels dimmable. You can choose a comfortable setting as you wish for reading, knitting, camping, or repairing etc. USB Type-C rechargeable which is reversible and thus easier to plug in compared with other Micro-USB. Up to 10 hours of powerful, non-diminishing brightness from the included premium rechargeable Dual 550mAh battery. No flickering and blue light filter design with advanced LED beads. No eye strain any more for both kids and adults. The arms are supple and adjustable so you can get the angle most comfortable to you. Ergonomic neck around design, and it is totally hands free Special narrow beam angle(90) design. It is bright enough to the area you positioned and at the same time dim enough to not disturb your sound asleep partner. The product has a travel lock switch function. When the light is off, press and hold the power button for 3 seconds and the light will flash twice. The system automatically enters the travel lock function. In the travel lock mode, you need to press and hold the power button for 3 seconds to turn it on. Package Includes: 1PC x LED Neck Reading Light Specifications: Material: Silicone Size: approx. 70.5x2.5x1.5cm/27.76x0.98x0.59in Color: black The light is 1600K-5500K-2800K Power supply: dual power supply 550mAh+550mAh Charging time: 80 minutes Use time: 5-10 hours note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you