nXzen Bluetooth Digital Wireless Headset with Dual Noise Canceling Microphone Features stereo playback from MP3/CD player and mutes when answering a call FrontWave Extreme technology amplifies your voice, reduces background noise and filters wind noise Built-in wireless 8-band graphic equalizer enables to listen to music via Bluetooth connected PC Digital Signal Processing (DSP) enhances the incoming voice and removes impurities from the audio signal Compact and lightweight design with a selection of ear loops and tips for a custom fit