microphone cover 1. feature sound-absorbing effect is good, 2. function FR,Rohs. 3. use for noise reduction cover the microphone * specification1>. material: 100% natural sponge , no chemical additives added 2>. comfortable, Nourishing and Moisturizing. 3>. available shapes and colors , mixed colors can be customized , shapes can also be cut as you like4>. accept OEM and ODM orders 5>. package: ...