Headphone definition: Headphone is a type of earphone worn on the head. It is composed of two parts, a signal transmitter and a headset with signal receiving and amplifying devices (usually moving coil). The transmitter is connected to the signal source, and you can also connect a preamp or headphone amplifier before the transmitter to improve the sound quality and adjust the tone.Product Parameter:TypeWired headsetModelJTY-300wearing methodHead-mountedHeadphone materialPlastic ABSmicrophoneyesgearHeadphones stretched and adjustedPlug material3.5mm metal double pin plugPlug TypeIn-lineimpedance32Ωcable materialPVCCable length1.8mSpeaker diameterφ40mmSound principleMoving coilSensitivity1 00±3dBAudio response range20- 20KHzDistortion1％Earmuff materialPU cottoncolorSilver blackweight162gapplicationSupport 3.5mm interface playback device to call and listen