💎Clean the keyboard residue, use it for a long time, it will be dry and not deformed, and the life will be longer. 💎Multifunctional cleaning head, thoroughly cleans the residue. 💎Double heads can be switched, flocking sponge cleans the charging compartment of the earphone box; high-density, flocking head cleans the sound hole of the earphone, and the silicone nib cleans stubborn stains Convenient and labor-saving, easy to pull the key, more thorough cleaning. 💎Bright and clean as new after wiping: the back of the storage box comes with a cleaning cloth, which contains cleaning pens and detergents Key puller, cleaning brush. 💎Food grade silicone nib is safer and more comfortable,88% sponge material selection, more scientific and applicable.