2 in 1 Function: This product is not only a desktop dust collector, but also a cute little night light. 2 in 1 functionality at your disposal. Cost effective. USB Charging: Built-in 750mAh lithium-ion battery, which can be charged by AC adapter, power bank and computer via USB cable. General charging time is 3 hours. Bottom brush design: The bottom of this mini dust collector is designed with a stiff brush, which can easily wipe away stubborn stains or litter. better cleaning. EASY TO CLEAN: The detachable design of this mini vacuum allows you to take it apart and remove and clean the inhaled waste. Start the product with one button, press and hold to remove dust and confetti from keyboards, sofas, desktops, cars, etc.