Ovleng Audifono Gamer GT-97

"speaker size: φ50mm Impedance: 32Ω±15% Sensitivity: 110±3dB Frenquency range: 20Hz~20kHz Microphone: φ6.0x2.2mm Microphone sensitivity: 38±3dB Microphone impedance: 2.2KΩ Cable length: 2.0M±5% Working current: ≤100mA Headset jack: USB+3.5MM"