1. PROFESSIONAL KEYBOARD CLEANING KIT: The retractable, moderately soft and hard brush is suitable for laptops and keyboards, while the density mini brush is ideal for thorough cleaning between the keys and for cleaning between the flatter keys of a laptop. 2. Collapsible Cleaning Pen: The silicone gap can remove dust and dirt from the headphone holes; the mini brush can clean the surface of the helmet net; the flocked sponge brush is used to clean the charging case and hard to reach dirt. All you need is a cleaning pen to refresh your headphones. 3. 7 in 1 Multifunction Cleaning Kit: The electronic cleaning kit includes an AirPods cleaning pen with a silicone gap, a mini brush, and a flocked sponge brush; a density soft brush, cleaning spray bottle, non woven wiper, and keycap loop. The kit can be used to clean headphones, keyboards, PC monitors, phones, cameras, and more. 4. Easy to Carry and Store: The laptop cleaning kit is smaller than your palm, so you can take it anywhere. Different cleaning tools meet your various needs. It's a tool for work, study, and home.