Flocking Sponge: The cleaning pen kit soft sponge is made of high-quality soft furry flocking fabric, which is durable, will not shed hair, and is not easy to break. The fine and soft flocked sponge is specially designed to clean dust and dirt from the earphone charging case for a quick clean without damaging the earbud components and holes. 3-in-1 Design: The 3-in-1 headphone cleaning kit includes metal tip, flocking sponge, high-density brush to remove dust from headphones and phone sound outlets. It can also be used with a nib at the other end of the pen is a soft and lightweight brush that can clean the charging compartment. 360-Degree CleaningWell-designed cleaning pen, save labor, help clean hard-to-reach areas or any other corners. It is a must for anyone wearing headphones. Never use liquids to clean the earphones. Easy Operation: Use the pen tip to clean the dust and debris in the Bluetooth earphone box or in the gap of the earphone, and then use the high-density brush on the side to sweep away the scraped debris. The flocked sponge strip can clean the debris and dust deep in the Bluetooth headset box. Wide Range of Application: Pen-shaped design, light weight, light and easy to carry. Regular cleaning keeps your earbuds neat and ensures flawless performance and great sound quality. Meet mobile phone charging ports, headphones, watches, keyboards, bluetooth earbuds, tablets, cameras, and more.