1.[20 in 1 Multifunctional]: The cleaning kit contains 20 accessories that can deeply clean most devices such as mobile phones, headphones, computers, digital cameras, clean stains, scale particles, dust, etc., and remove key caps from mechanical keyboards. 2.[Earphone Cleaning]: Multi-functional cleaning brush can thoroughly clean the headphones without leaving dead ends. Charging compartment brush and plush stick, deeply clean the headphone charging compartment opening and dust inside the compartment; headphone brush can clean the noise-canceling holes and microphone of the headphone. 3.[Keyboard Assistant]:Keyboard cleaner makes cleaning simple, easily clean keyboard crevices. Key puller, pull vertically to lower the keycaps; Pull out device, clamp the shaft and pull the shaft upward with force. Use keyboard bristles in combination with keyboard keycaps. 4.[Screen Cleaning]: With the screen cleaner, say goodbye to the greasy touch and the screen is as clean as . The cover comes with a microfiber flannel. After spraying and wiping, the screen will be clean as . It not only cleans your cell phone screen, but also the case.