The Naxa Professional Dual Wireless Microphone Kit comes with 2 wireless microphones, a transmitter unit and a connection cable. It\'s sure to make you look--and sound--like a pro at your next meeting or event. It\'s also a great choice for karaoke nights.. 2 professional-grade wireless microphones with transmitter unit provide enhanced mobility. Ideal for meetings, events & karaoke. AC 100V (wireless transmitter), 1 x 9V battery (wireless microphone). 1/4" audio connection cable