Rapoo H6080 Bluetooth 4.0 Stereo Wireless Foldable Headset with Microphone for iPhone, iPad, PC, Cell Phone (Black) Bluetooth 4.0 wireless audio transmission Enjoy music wirelessly within a diameter of 10m. Voice activated: just say "Yes" or "No" to answer or reject a call COM- Ti membrane vibrating technology The speaker features COM-Ti membrane vibrating technology which delivers a clear and bright treble and a deep and mellow bass The hidden omni-directional microphone automatically picks up your voice with remarkable clarity