4-IN-1 EARBUD CLEANING TOOL: The metal tip of the cleaning pen cleans small parts and holes of earbuds for deep cleaning of crevices and stubborn dirt. Use the microfiber brush to remove dust. The flocking brush cleans the charging case. The brush on the other end cleans keyboard dust. FLOCKED SPONGE: The soft flocked sponge of the cleaning pen is made of high-quality soft flocked fabric, which is durable, lint-free, and not easily broken. The fine and soft flocked sponge is specially designed to clean dust and dirt from the earbud charging case for quick cleaning without damaging earbud components and holes. CLEANING PEN MULTIFUNCTIONAL: A flocked sponge cleans the charging compartment of wireless earbuds, a metal pen tip tackles stubborn dirt in crevices, a high-density brush smoothly cleans microphone outlets and speaker parts, and another brush on the head is freely used in wider spaces. LIGHTWEIGHT & PORTABLE: The cleaning kit is lightweight and easy to carry. It can be used anytime, anywhere, without being a burden. It's easy to take with you everywhere. WIDE APPLICATION: This phone cleaning kit can clean AirPods, AirPods cases, headphones, 3.5mm headphone jacks, phones, keyboards, laptops, and hearing aid tools. Keep your electronic products cleaner with this cleaning set.