Clear voice, crisp sound: The cardioid pickup pattern of these mics deliver a warm, clear, and crisp vocal sound that's designed to make everyone sound their best over Our microphones. Minimize all unwanted noise: A shock mount system minimizes the sound of the mics passing from one hand to another, while a built-in filter eliminates any extraneous breathing sounds that you don't want to be part of your performance. Easy to use: Just plug in and singing. It's really that simple. Compatible with for all PartyBox speakers: From the for PartyBox Encore to the Ultimate, you can use the mics with for 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: Just plug the mic into the for PartyBox's charging port when your battery is running low. You can keep using it while it charges. 10 minutes of charging get you another two hours of . Stable 2.4GHz connection: When using the digital wireless dongle, you have a stable 2.4GHz connection within 30 meters of the for PartyBox. So don't be afraid to go out and work the crowd. Color:Black Material:ABS+Iron+PVC Package Contents: 2 * microphones 1 * 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.