HIGH-DEFINITION SOUND QUALITY Wired Earphone For Music And Calls Wire length: 1150mm Material: PVC+ABS+Silica gel Speaker: Φ10mm; Sensitivity: 108dB±3dB Response frequency: 20-20kHz Impedance: 32Ω; Power: 3-10mw 3.5mm universal connector interface Music + in-line control for call function