Sensitivity (db): 103 dB/mWnFrequency Response: 5 - 24,000 HznPlug: Gold-plated four-conductor L-type stereo mini plugnMicrophone: Elecret condenser/Omni DirectionalnDriver Unit: 9 mm, dome typenIN-LINE MICROPHONE FOR PHONE CALLS ASSIGNABLE CONTROLS FOR SMARTPHONE CONTROL amp;amp; INTEGRATION 9MM HIGH SENSITIVITY DRIVER NEODYMIUM MAGNET FOR A MORE POWERFUL SOUND DELIVERY HYBRID SILICONE RUBBER EARBUDS FOR A COMFORTABLE amp;amp; SECURE FIT WHITE