ROCK ES02 Stereo Earphone Brand: ROCK Unit: 1Set Wear Method : In-ear Material: PVC, ABS, Aluminum alloy Color: Black Plug: 3.5mm In-line Remote Control :Included Impedance: 32ohm +- 20% Frequency Response :20Hz-20kHz Sensitivity :95 +- 3dB Rated Power : 2mW MIC Directivity :Omnidirectional MIC Sensitivity : -42 +- 3dB Cable Length :1200 +- 30mm Package: Gift Box