st-standard (3.5mm*1) Gaming Headphone GM-3501 red & green

Plug Type: 3.5mm*1 4Plug Surround sound Speaker: 50MM Sensitivity: 110±3db SPL at 1KHZ Impedance: 21Ω Frequency Response: 20 Hz-20,000Hz Rated Power: 15mW Power Capability: 100mW Microphone Unit: 6X5mm Dia.Electrec condenser Microphone Directivity: Omni Direction Sensitivity: 58±2db