Specifications:
Frequency range：20Hz - 20kHz
Mic sensitivity: -40dB+/-2
Mic imppedance:2.2KΩ
Type: over-the-ear
Port: Golden USB
Impedance:30Ω
Cable length: Approx. 2.0 M brush finished cable
H991 headset works well with PC, PS3, PS4, it is great for E-sport game, music, on-line chatting, video conference used.