1. Computer/Macbook Headphone/Laptop Cleaner Kit: This 7 inch cleaning kit includes 1 large density brush, 1 wipe, 1 headphone cleaning pen (with silica gel tip, flock sponge, and mini density brush), 1 key puller, and 1 spray bottle. This multifunctional cleaner meets all your home electronics cleaning needs. 2. Bluetooth Headphones/Phones (AirPods, iPhone) Cleaning: The foldable cleaning pen features a silicone tip, small density brush, and flocking sponge, for cleaning AirPods Pro 1 2, other earbuds, charging cases, and phones. The silicone tip removes crevice stains, the small density brush deeply cleans mesh surfaces, and the flocking sponge cleans charging case holes. 3. Laptop/Computer/Tablet/Keyboard Cleaning: Glide the large soft density brush to remove dust from computers, laptops, tablets, and keyboards. The key puller helps lift mechanical keyboard keys for deep cleaning. 4. Cleaning Monitor/Screen/Camera/Watch/TV: Similar to an empty 5ml spray bottle, simply add cleaning liquid or water, then use the fiber fleece wipe to clean various screens, including monitors, TVs, smartwatches, and cameras.