Product details:

Bust out the karaoke with a Wireless Microphone System by your side. High-quality audio helps to reduce jamming or distortion so you're heard loud and clear. High vocal quality to reduce jamming, delay or distortion. Rechargeable UHF dual channel wireless receiver. Plug and play for minimal setup. Connect 2 wireless microphones together and hear both voices blended through the speaker for up to 6 hours of playtime. Compatible with PartyBox speakers. Includes replaceable AA batteries, so get your groove on all night long. Backed by the manufacturer's 1-year limited warranty.