Clear CLS-QT4 Quattro 4.0

- Stereo Bluetooth headset profile (A2DP)- Multipoint connection up to two blue tooth devices- Walkie-Talkie function, communicate directly with another Quattro 4- Detachable Bluetooth microphone receiver- 8-wire material loop- Call waiting caller ID display- Stereo music playback control- 3.5mm jack for external stereo headset (A2DP)- Voice prompts- Touch screen button operation- Multi function LED screen display- Mute function- Siri/S voice(Galaxy S4,Note II) control function- Touch screen volume control and music forward/rewind- Neck loop volume touch screen volume control- Noise cancellation- Multipoint connection up to two blue tooth device- MFB (Multi function button)