Long Life and Easy Cleaning: The built-in lithium battery with long life and excellent performance. The smaller can work continuously for up to 60 minutes after fully charged. Washable filter, nozzle and brush keep it new and durable^Powerful Suction: The Desktop Vacuum Cleaner Built-in 2000mAh lithium battery with a rated output power of 8W. Two side vents provide heat radiation. (* Attention: Please keep the nozzle close to the plane so that the suction power is bigger)^Cordless & USB Charging Port: Portable cordless handheld with mini size and light weight, convenient to take anywhere. The package includes the USB data line, you can charge it at any time by plugging it into the USB port^2 Vacuum Nozzles: The mini computer vacuum has two types of straw that can be interchanged. The flat nozzle can inhale small pieces of paper, while the brush nozzle can dry ash and dust^Wide Application: Perfect multifunctional cleaner for cleaning desktop/laptop/keyboard/air case dust or small gap dust, cigarette ash in lighter, bread crumbs and paper scraps on desk, pet hair, particles in makeup bags, etc^