5.1 Suround Sound headphones with USB

1.specification

speaker:40mm Dynamic typeImpedance:32 OhmsSensitivity:105dB+/-4dBFrequency:50Hz-20KHzMax.Input power:100MwMicrophoneMicrophone:Condenser typePalar pattern:Omni-directionalSensitivity:-58dB+/-3dBFrequency:50Hz-16KHzCord length:2.0m+/-3%

2.

5.1 suround sound USB headphones