S9 Handfree Sport Wireless Bluetooth Headphone with Built-in Mic for mobile phone(iOS/Android/Windows),pad,notebook and anyother bluetooth devices-Red Remote control music playback status, Heavy bass effect The wireless set aside to answer phone calls Wireless appreciate the play stereo music phone High sensitivity, omni-directional microphone design, clear voice, no echo Wireless listen to stereo music, set aside to answer the call automatically converted