Hi-Fi stereo and VXi's Xtreme Noise Suppression(TM),Multifunction button (MFB) controls playback call answer end and pairing,A2DP support for streaming music or GPS instructions,Over-the-head with large ear cushion and padded headband,24+ hours talk time with 500 hours of standby time,Roam up to 300 feet from paired Bluetooth devices,80 % Ambient Noise Suppression,Enjoy music in clear natural hi-fi stereo. Qualcomm(R) aptX technology for uncompromising wireless audio,Connects to all Bluetooth devices with our without wires,Near Field Communication (NFC) for easy and instant pairing