PartyBox Wireless Mic - 2X Digital Wireless Microphones, Rechargeable Battery, Compatible with All PartyBox Speakers (Black) Including Winguard Protective Travel Case

Clear voice, crisp
sound: The cardioid pickup pattern of these microphones provides a warm, clear, and crisp vocal tone designed to make everyone sound their best over any PartyBox.
Minimize all unwanted noise: A shock mount system reduces the sound of the microphones being passed between hands, while a built-in pop filter removes extraneous breathing sounds you don't want in your performance.
Easy to use: Just plug in and start singing. It's really that simple. Compatible with all
PartyBox speakers: From the PartyBox Encore to the PartyBox Ultimate, you can use these microphones with any PartyBox speakers.
Sing out all night long: Keep the party going all night with up to 20 hours of play time (up to 12 hours play time when using the digital wireless dongle).
Rechargeable battery: Simply plug the microphone into the PartyBox's charging port when the battery is running low. You can continue using it while it charges. Ten minutes of charging provides another two hours of playtime.
Stable 2.4GH z connection: When using the digital wireless dongle, you have a stable 2.4GH z connection within 30 meters of the PartyBox. So don't be afraid to go out and work the crowd