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FEATURES 1. UHF(Ultra-High-Frequency) band has powerful and reliable signal. The valid distance is over 15m. 2. There are 20 frequency points can be transformed freely, no worry about frequency interference. 3. High-quality microphone capsule greatly minimizes noise and makes your voice clear. 4. Easy to operate, with display screen on transmitter to show the working status. 5. Fashion alloy mic body and hands free clip-on design. 6. Powered by replaceable batteries makes it more convenient to use. SPECIFICATION Microphone Type: Condenser Impedance: 1-1.9KΩ¸ Sensitivity: -44±2dB RL=680Ω Vs=1.5V (1KHz 0dB=1V/Pa) Frequency Response: 50-16KHz Direction: Uni-direction S/N Ratio: More than 58dB Receiver Frequency: 565-584 KHz Sensitivity: -95db S/N Ratio: More than 58dB Frequency Response: 40Hz-15KHz Power Supply: 2*AAA Batteries Transmitter Frequency: 565-584 KHz Radio-Frequency Power: 10dBM/10MV On-off Control: Physical Switch Power Supply: 2*AA Batteries