HIGH QUALITY & Pristine Professional Sound: The crystal-clear clarity of the wireless microphone means no interference, delay or distortion. Your voice will sound accurate, backed by incredibly pristine professional sounds. Rechargeable UHF Dual Channel Wireless Receiver: No need to fly alone, unless of course you want to take center stage. Connect two wireless microphones together and hear a perfect mix of two sounds through the speakers, with up to 6 hours of playback time. Plug and Play: When you want your voice to be heard, you want to be heard now. Wireless microphone setup is super easy. Just turn on the receiver and wireless microphone and it's ready to go. Microphone Comes with Replaceable AA Batteries: The wireless microphone comes with easy-to-replace AA batteries to keep you looking your best all night long. Best Performance with PartyBox Speakers: Use the JBL Wireless Microphone on speakers with a microphone input, but for the best experience, add to any PartyBox speaker. ",