The first 4-in-1 wireless earbud cleaning tool cleans dirt where most other tools can't The flocking sponge is used to clean the bottomless pit of the wireless charging case of the earbuds, and the metal tip is used to clean stubborn dust and dirt in the crevices The high-density brush on the body smoothly cleans the outlet holes of microphones, speakers and other components, and the other one on the head can be used in a wider space freely and unimpeded The safe material of the bluetooth earphone cleaning pen is environmentally friendly, delicate and soft, and will not damage the parts and holes of earbuds, mobile phones, pads, cameras, watches or other devices, with fine workmanship Small things have big effects, stay away from dirt, wash yourself clean, and send them to friends to express concern