Dolby Stereo Earphone USB 7.1 Channels Surround Stereo Sound Effect

It brings vivid 5.1 or 7.1 channels stereo and circle sound
effects with only two loundspeakers. This theatre effects dolby stereo headphone completely complies with
the standard of Dolby Surround Technology and is certified by the Dolby Lab.

Parameter of HD-200
Type:3D surround Dolby earphone.
Power input:USB power supply.
Style:Headset
Frequency:20hz~20Khz
Impedance:32Ω
Speaker diameter:Ø50mm
Sound pressure(1kh/0db):111db±3db
Cable length:1.8m
MIC:-58db±3db
Max.power:16mw(1khz/0db)
S/N:82db
Product Dimension
8.27L x 6.06W x 3.23H in.

Included 2 sets Changeable ear-Cushion to Swap for Winter and Summer Usage. Removable Covers,Washable as well