BT-54UM UHF Dual Dynamic Wireless Microphone System, Metal Microphones & Base

Two wireless digital microphone system with dual UHF fixed frequency channel and broad audio response range with low distortion so you can enjoy cordless singing to karaoke music and mobility for energetic on stage performance. Microphones provide up to 15 hours of wireless operation on four (4) AA alkaline batteries (included). Each microphone operates on a single separate channel in the high-band UHF range for reliability. This professional portable wireless microphone set has a channel frequency range of 470~580 MHz high signal over noise ratio performance for capturing high quality audio. Ideal for professional engagement/conference. Each dynamic microphone features its own on/off power for a karaoke experience that both kids and adults will enjoy. Perfect for PA, karaoke, DJ party, conference. Operating range 196 + ft. up to 300+ ft. AC Adaptor 110 to 240 volt