Features:Material: Plastic Dimensions; 14x4x3cmDirectly into the USB port, no additional power, low noise, low power consumption. Effectively between the dust from the river on a computer keyboard. And to focus on the effective light vacuuming. High-end design, adjustable slightly heavier dust. Can also be used as a primer chassis, digital cameras, monitors, main chassis and other IT products.This is a mini USB vacuum cleaner designed for cleaning computer use, you no longer need a computer in the dust and dirt and helpless, because you can enjoy the comfort of computers, clean environment.Package Included: 1x USB vacuum cleaner designed to use for cleaning computer keyboard phone (excluding original packaging)