HIGH Vocal Quality & JBL Original Pro Sound - The crystal clear clarity of JBL wireless microphones means they won't stuck, delay or distort. Your voice will sound on point, with the back of the amazing JBL Original Pro sound. RECHARGEABLE DUAL CHANNEL UHF WIRELESS RECEIVER - No need to fly alone, unless you want to take center stage, of course. Connect two wireless microphones together and hear both voices mixed seamlessly through the speaker for up to 6 hours of playback. PLUG AND PLAY - When you want to be heard, you want to be heard now. JBL wireless microphones have a super simple setup. Simply turn on the receiver and wireless microphone and you're ready to go instantly. MICROPHONES COME WITH REPLACEABLE AA BATTERIES - JBL wireless microphones come with easy-to-replace AA batteries, so put your slot all night long.