niceEshop(TM) 2 in 1 White USB LED Lamp with Fan for PC Desktop Notebooks Laptops-White Condition:100% Brand new. Interface:USB 2.0;Voltage:DC 5V;Power Usage:2W;USB cable length:4 ft;Weight:10.5 oz Compatible with:All desktop computers,laptop/notebook/netbooks with an USB port. 13 super bright but soft lights with eyesight protection 2 in 1 Lamp and Fan for Desktops and Laptops