【Cordless & Rechargeable:】Built-in lithium battery, the mini vacuum cleaner can be used for 50 minutes continuously when you charge 4-5 hours. Tip: Please charge it for 4-5 hours before the first use. 【2 Suction Nozzles & Washable Filter:】2 different suction nozzles allow you to reach the narrowest spaces; the flat nozzle can inhale small pieces of paper while the brush nozzle can dry ash and dust. And the filter can be washed with fresh water, then it can be reused. 【Portable Mini Size:】The keyboard vacuum cleaner is small in size (5.9 x 6.1 x 2.6 inches), allows you to take it anywhere you want to clean. DC5V 1A low working voltage is safe for work, the motor speed will change from low speed to high speed. It is very convenient and energy-saving. 【Press the button for three seconds to turn it on:】 Rechargeable vacuum cleaner with 2000mAh Li battery provides you with good suction, cleaning dust, hair, crumbs, leftovers, computer keyboard, piano, makeup bag, car, pet house, etc.,