Usams EP-19 Metal In-ear Earphone with Mic US-SJ189

-Material aluminum alloy, TPE+PC
-Wire length 1.2m
-Wear In-ear style
-Size 10mm
-Impedance 16Q +/-15%
-Frequency response 20Hz ~ 20KHz
-SPL 86 +/- 3dB
-Microphone 42 +/-3dB
-Interface 3.5mm