TAKSTAR WPM-100 New In Ear Professional Stage Wireless Monitor System For Public address on-stage monitoring Transmitter Receiver Hot Style And Mini Size Multiple sets of receivers can operate with a single transmitter Adjustable UHF radio frequency for interference-free reception Current: 50MA10MA Frequency response: 50-17KHZ SNR: more than 45db Frequency range: 432.6-434MHZ Sensitivity: S/N:12db 3uA LED indicator 1 x Receiver + 1 x Transmitter + 1 x Earphone + 1 x Power adapter + 1 x Audio converter cable Power switch with volume control for ease of operation