Convenient 3-in-1 Structure: The earbud cleaning tool integrates the flocking sponge, metal pen, and brush together. The length of the earphone cleaning kit is 4 inches, small, lightweight, and portable Upgraded Cap-free Design: The earbud cleaning kit has been upgraded to a cap-free design. By pushing and pressing the middle switch forward, the metal pen or sponge pen will be ejected. No more struggling to open or close caps, or worrying about losing caps. Multifunctional Cleaning Use:1. Metal pen tip: The metal pen to thoroughly clean stubborn dirt, such as stubborn dirt in the sound outlet openings of earphones. 2. High-density cleaning brush to clean the dust attached to the acoustic mesh. Holes and gaps 3. The flocked sponge pen can penetrate deep into the earphone charging box to thoroughly clean the dirt. Wide Application: It can clean not only Bluetooth earphones, but also earphone charging boxes, earphones and mobile phone ports, microphones, cameras. Warm Tips: Regular cleaning of earphones keeps your earphones clean and hygienic and eliminates the negative impact on their performance. However, never use liquids to clean earphones. It is a must-have for anyone who uses earphones