Features:Powerful suction can more quickly suck out the garbage hidden in the keyboard.Our computer vacuum cleaner is able to suck small things like Cigarette ash, Dust, Hair, Food-crumbs, Eraser Residue, Small particle, but not water, please make sure small things is not bigger than the suction nozzleThis portable handheld USB vacuum cleaner is small size, could be used for computer, desktop and PC.Our keyboard vacuum cleaner can be plugged straight into USB port without requiring external power source.Just open the vacuum cleanerand take the sponge net out, then wash it with clean water, after the sponge net get dry, then you could use it. Specifications:Color: Black, White, Pink (Optional)Package Weight: 225gProduct Size: 196 * 137 * 60mm / 7.72 * 5.39 * 2.36inchPower: 3.5WVoltage: DC 5VUSB Cable Length: 1.7 metersPower supply: computer USB interface, USB adapter, mobile power, etc. ...Package List:1 x Keyboard Vacuum Cleaner (Keyboard is not included)2 x Nozzle1 x Sponge.