Features: 3-in-1 function: Not only a desk lamp, but also a pen holder and mobile phone holder. 360 free bending with twisting without restriction, can meet your lighting needs. The ring-shaped lamp holder, the light is soft and not dazzling, so that your eyes are no longer tired and take care of your eyes. Tap to switch between three color temperatures, which can protect the eyes and meet the needs of daily life. Short press to switch color temperature, long press stepless dimming. The USB charging cable can be connected to a computer, a power bank, and a charging head. Small size and easy to carry, can be folded freely and easy to transport. Large capacity battery life: It can be used for 48 hours undeer the dual-purpose luminous mode of charging and pluging. Wide exposure range: The light can cover the entire desktop, and the light can be 3.0m.