Product Information:

Headphone type: Headphones
Wearing method: head-mounted
Headphone output source: general
Plug diameter: USB
Plug type: USB
Whether wireless headset: wired headset
With or without microphone: Yes
Sound principle: moving coil
Frequency response range: 20-20000 (Hz)
Impedance: 32 (Ω)
Sensitivity: 114 (dB)
Wire length: 2 (m)
Speaker diameter: 50 (Φmm)
Earplugs/earmuffs material: metal

Color: 

 A version: black official standard,

B version: black 7.1 channel version official standard