TOOGOO Mini USB Vacuum KEYBOARD DUST cleaner for Laptop PC Computer - Family Office PC keybard cleaner tool Vacuum the dust and other particles trapped underneath the keyboard keys Simple connect the Vacuum to the USB port of your laptop or PC computer. Use the keyboard attachment rubber to vacuum the dust and other particles trapped underneath the keyboard Two switch levels-slide the switch to the first level to turn on the LED light,slide the switch to the second level to turn on the vacuum cleaner No need external power source, just plugs straight into any USB port