Berlingtone BR-103UM Dual UHF Wireless Microphone System, Headset, 96 adjustable
Perfect for PA, karaoke, DJ party, conference. 4x AA battery. One-year warranty from Berlingtone. UHF Channel Wireless Microphone System. Wireless Microphone Channel Frequency Range: 470-580MHz. Handheld Dynamic Transmitter Microphone.