【Safety Materials】This product is made of environmentally friendly materials, non-toxic and harmless, and will not damage the earplug components and holes. Easily clean up stubborn residues and keep your Bluetooth headset, keyboard, and mouse clean and tidy | 【Double-Headed Hidden Design】The cleaning pen adopts a separate double-headed hidden design, and the flocking sponge, high-density brush and metal nib can meet various cleaning needs | 【3-in-1design】The earphone cleaning pen is designed with a high-precision metal tip, which can deeply clean the crevices and stubborn dirt. A high-density microfiber brush above the nib makes it easy to clean up clutter and grime covering Bluetooth headphones, cameras and laptops. The other end of the nib is a delicate and soft flocked sponge, which gently cleans the dirt in the wireless charging box of the headset | 【Easy to carry】Simple and stylish pen-shaped design, light weight, easy to carry, can be easily put into your pocket, bag, stationery bag | 【Scope of application】The cleaning pen can deeply clean Bluetooth earbuds, headphones, mobile phones, keyboards, computers, tablets, cameras, jewelry and other objects, so that your objects look brand new