HIGH-DEFINITION SOUND QUALITY Wired Earphone For Music And Calls Wire length: 1200mm Material: PVC+ABS+Silicone Speaker: Φ10mm; Sensitivity: 96±3dB Response frequency: 20--20kHz Impedance: 18Ω; Power: 2-5mw 3.5mm universal connector interface Music + in-line control for call function