Good HEP-013-1 PC Headphone

PC Headphone
-Diameter. 40mm -Impedance: 32 Ω
-Sensitivity: 113dB
-Frequency response: 15Hz-20kHz
-Plug: 3.5mm stereo pugx2
-Cord length: Approx. 2.5m
-Microphone Specification:
-Frequency response: 30Hz-15kHz
-Impedance: <10k
-Unit dimension: 200x180x80mm
Each unit in a white paper box 30PCS/CTN Carton size: 60.5x54x44.5CM N. W: 9.0KGS G. W: 11.5KGS