Lightahead Modern Stylish Eye Friendly 20 LED Desk Lamp USB Powered Dimmable Touch Control Reading Light Gooseneck with USB Charging Port and Automatic Brightness mode (Blue) USB Powered Stylish & Modern Flat base LED Desk Lamp with flexible multiple adjustable positions Dimmable through touch sensor switch. Automatic brightness modes Three adjustable brightness levels to suit every hour of the night. Simply tap the power repeatedly until you reach your desired level. Multiple adjustable and firm flat base positions for best comfort, can use in office, bedroom, school, and reading; Easy folding. USB-can be plugged into your computer's USB port.