[Improved Keyboard Cleaner] :This portable keyboard cleaner with built-in 2000mAh Li-battery, provides powerful suction, can suck up all kinds of tiny trash, dust, hair, crumbs, leftovers on laptop, keyboard, piano, phone, printer, camera equipment, car, pet house and so on. Cordless & Portable: This handheld vacuum cleaner is cordless, allowing you to move freely from room to room without messy and tangled cords. It is lightweight and portable, convenient to take with you, easy to use this cordless handheld vacuum cleaner to clean in car, home and office. Fast Charging & Long Using Time: This cordless handheld vacuum cleaner uses fast charging technology, supports 25-35 minutes of continuous use, only needs 3-4 hours to be fully charged. can help you clean all your rooms with once fully charged Durable Filter & Easy to Clean: The cordless handheld vacuum cleaner adopts high-density filter which is more powerful and durable than normal filters. Easy to assemble and detachable, and it