ERZhen 600GT UHF Wireless Dual Handheld Microphone System Digital Display Set Home Karaoke

Features: Using traditional FM modulation technology for superior RF performance and audio performance. Small transmission delay and long transmission distance. Fully integrated chip solution, stable product performance. 4 x 60 adjustable frequency points. Enhanced wireless reception. Beautiful LCD display. With automatic search for clean channels. With 2 hand-held mic and 2 headset microphones. Volume adjustment. Specification: Input voltage: 220V (Transmitter) hand-held: Transmitter power: 10 hours (Receiver)desk-top: Carrier Frequency Range: UHF 610865MHZ Oscillation Mode: Quartz Controlled Fixed Frequency Stability: 10PPM Sensitivity: 2uV sinad=12 dB Max.Deviation Range: 50KHz S/N Ratio: >105dB T.H.D: