Huizhou Boxin Electronic Co., Ltd. [China]

1,Speaker:30mm 2,Impedance:32ohms 3,Sensitivity:105db+/-4db 4,Frequency:20-20000hz 5, Max Input Power: 100mw

Microphone: Condenser type

Polar Pattern: Omni-directional

Sensitivity: -58db+/-3db

                    -38db+/-3db

Frequency:50-16000hz

Cable length: 1.8m+/-5%

back hitch earphone