Bluetooth Wireless Earpiece Headset with CVC 8.0 Noise Canceling (Black)[Mic for Calls & Hands Free Calling] The mic is designed for phone calls, it is effortless to listen to other people through this earpiece, at the same time reduces the otherwhere noise. When receiving an incoming call, you can answer incoming calls as is, freeing both hands, making it convenient for you to talk with the caller. We have designed a mute feature, allows you to easily turn on silent mode without taking out your phone. [CVC 8. 0 Noise