Adopts UHF technology, remote wireless transmission makes operation easier without annoying wires. Broader frequency range, less interference, showing your voice easily and perfectly Adopts the exacting complete electronic circuit control, capture rich, full-bodied sound from sources that are directly in front of the microphone. For all events like Karaoke, live-performances, conference, church, school, hall, party, etc. Extensive Use: Stable signal, suitable for indoor and outdoor activities, such as home karaoke, church, wedding, conference and small stage performance.. Quick Setup: Just turn on the system, then the receiver will sync the frequency with the transmitter automatically. Material: Metal colour: C-red Package Contents: 2 x microphones 1 x adapter Only the above package content, other products are not included. Note: Light reflection 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.