Works With All Mobile Devices compatible With Ocs And Notebookshigh Clarity And Strong Bass Audiohigh Flexibility Headbandsoft And Durable Earpads excellent Audio Performance.<br><br>Driver Size:40mm<br>Total Built-In Driver:2<br>Frequency Response:20h-20khz<br>Impedance:32 Ohms<br>Senesitvity:104db(S.P; At 1khz)<br>Rated Power :30mw<br>Garansi 1tahun