Features:
Headphone:
Speaker: 27 mm Dynamic type
Impedance: 32 ohms
Sensitivity: 101dB ± 4dB
Frequency: 100~1500Hz
Max Input Power: 100 mW

Microphone:
Microphone: condenser type
Polar pattern: Omni-directional
Impedance: low
Sensitivity: -62 dB ±3dB
Frequency: 50 ~ 16000 Hz
Connector: 3.5 mm stereo plug *2
Applications: Internet， phone， Video Conferencing， interactive Games， Speed Recognition， Multimedia Application， and language laboratories.

Specifications:
Color: black
Net Weight:98g
Cord length: 6 feet(1.8 M)