【Cordless and Rechargeable】Cordless keyboard cleaner with rechargeable Li-battery, be free to use it everywhere after 180 minutes charging. ★Please use a 5V/1A charger. 【Multifunction】The tabletop vacuum cleaner can pick up crumb, paper scraps, pet hair, apple seeds, grit on window sills, car seats and computer keyboard. It's suitable for home, office, and cars. 【Filter Media】Providing effective filter system, ①Twist off the dust collecting cylinder. ②Pour out the garbage from it. ③Clean the rest of the dust with a brush(not included).