BlueAnt V1x Bluetooth Headset with Voice Control & Noise CancellationBlueAnt Revolutionary BlueAnt Voice Control User Interface Voice Isolation Technology provides outstanding noise suppression, wind noise reduction and echo cancellation Voice Isolation Standard and Voice Isolation Max settings allow you to adjust to surrounding noise environments during a call Dual microphones enable crystal clear communication in the noisiest of environments Pairs with up to 8 Bluetooth devices