This cleaning sponge can clean the dust inside the wireless charging box of the headset. The high-density brush can clean the dirt on the sound hole of the earphone. Metal nib cleans stubborn dust. The cleaning soft brush is made of high-quality ABS and nylon materials. Pen-shaped design, light weight and easy to carry. It can be used anytime, anywhere. Suitable for digital products such as headphones, headsets, mobile phones, computers, tablets, cameras etc.