Instructions: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.Press the "High power" button to increase suction power, for vacuuming heavier dirt and dust.Use the keyboard attachment rubber to vacuum

Instructions: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.Press the "High power" button to increase suction power, for vacuuming heavier dirt and dust.Use the keyboard attachment rubber to vacuum the dust and other particles trapped underneath the keyboard keys , by sliding the squeezable tube between keys.Use the brush and suction tube attachment for general cleaning of air vents(Fan),Monitor and computer areas, or dust on your desktop.Requires no external power source, plugs straight into any USB port.

Specifications:Voltage: 5V.,current:500mA.Net Weight:90gUnit Packing Gross Weight:120g