HomeAll ProductsHMD-800-LEDHMD-800-LEDSpecification:Plug: 3.5mm TRRS Plug & USB PlugDriver Unit: 50mm NdFeb SpeakerImpedance: 32Ohms +/- 10%Frequency: 20 - 20kHzMicrophone: Noise ReductionCable Length: 2.0M (+/- 5%)RGB Light