Brand: Plextone Model: X34M Wearing type : In-Ear Function: Answering Phone、MP3 playerHeadset type: Dynamic Connectivity : Wired Application: Computer、Mobile phone Plug Type: 3.5mm Cable Length (m): 1.3 m Driver unit: 10mm Sound channel: Two-channel (stereo) Frequency response: 15-21KHz Impedance: 16ohms Sensitivity: 118dB