Features:
1) Headphone:
a) Driver unit: 27mm mylar cone speaker
b) Frequency response: 50Hz - 10kHz
c) Sensitivity: 105±5dB
d) Max. input power: 100mW
2) Microphone:
a) Type: noise canceling condenser
b) Frequency response: 300Hz - 16kHz
c) Sensitivity: -58dB at 1kHz
d) Suitable for use in the office or at home
e) The boom-mic is capable of 180-degree rotation for both ears to
listen


Inner packing: polybag or customize

Outer packing: carton