Celebrate the holiday season in top geek style with a USB powered Xmas tree. Put one on your desk and another on your monitor and let the glowing LEDs shine bright. Simply plug into any USB port and the LEDs will cycle through 6 colors, stopping on each color for about 5 seconds. Transitions through Red, Blue, Green, Purple, White and light Blue. Has these wonderful features. USB-powered mini Xmas tree with LED light LED cycles through 6 colors Great for desk, server room, top of monitor, next to the USB Aquarium Power Supply: 5V/1A, Standard USB Works with USB 1.0, 1.1, 2.0 ports Compatible with PC, MAC, SUN, and Playstation2 Connector: USB Type-A Male Plug Dimensions: 3.2" dia x 4.5" tall USB power cord length: 40"