PartyBox Wireless Mic - 2X Digital Wireless Microphones, Rechargeable Battery (20hrs - 700mAh), Clear Voice, Crisp Sound, Stable 2.4GHz Connection, Compatible with All PartyBox Speakers (Black)

Clear audio with 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.
Reduce unwanted noise: A shock mount system reduces handling noise, while a built-in pop filter removes extraneous breathing sounds.
Simple to use: Just plug in and start singing. It's that easy. Compatible with all
PartyBox speakers: From the PartyBox Encore to the PartyBox Ultimate, you can use the microphones with any PartyBox speakers.
Sing all night long: Keep the party going 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 low. You can continue using it while it charges. Ten minutes of charging provides an additional 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