wireless karaoke microphone system: Built-in high sensitivity Dynamic microphone, The mic outer case is alloy material which is harder, lighter and more wear-resistant.Easy to use microphone: Plug and play, no need pair ,for with MIC jack speaker, , audio amplifier, PA system, Voice amplifier and more Streaming multimedia equipment, only plug in MIC jack. Use TRRS cable to connect PC/ / phone Laptops etc. dual channel dynamic microphone: Built-in moving-coil microphone,widely applied to conference,speech, Web podcast, recording, Outdoor recording, Yoga instructor, church, get together, Family party, Opening Ceremony, dancing instructor, Promotion, game etcColour: as shownMaterial: MetalPackage Contents:2 x microphones (red, black)1 x adapter1 x receiverOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.