Product Description of Professional Wired Microphone With CableXLR to 6.35mm jack Adapter professional wired microphone for karaoke machine.Unidirectional microphone pattern, plug and play, can be used karaoke microphone or speaking microphone to meet different purpose.Cardioid dynamic microphone, powered by it’s own jack and no battery required for operation.Singing machine microphones, handheld with on-off switch on the microphone for convenience.Perfect for singing, karaoke machine, live broadcast, conference, church, etc.