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Features:
Wireless UHF System: The UHF system includes dual handheld microphones and one receiver, featuring 16 channels and infrared Max.50m open area operation, with LED screen to display transmitter parameters.
Dynamic Handheld Microphones: Portable handheld microphone features dynamic pickup, total 26.5cm/10.4inch length makes it comfortable to hold, widely suitable for broadcast, interview, church and more.
6.35mm Plug Receiver: The receiver with 6.35mm plug can be applicable for speaker, audio mixer and DVD player, 3.5mm audio adapter(Not included) is necessary for camera connection.
Battery Powered: The handheld microphone is powered with 2pcs AA batteries, the receiver is powered by a 18650 battery and can be recharged with USB cable included.(Batteries Not Included)
Wide Application: The headset microphone system can be widely applicable for video recording, broadcast, interview, online teaching and more occasions.

Specifications:
Model: AD-231
Transmission Range: 30-50 meters

--Technical Specifications:
Frequency Range: 630-690MHz
Frequency Channel: 16 channels
Oscillation Mode: DSP chip frequency lock
Frequency Stability: ±10ppm
Frequency Power: 10dBm
Frequency Response: 40-18kHz
Distortion: ≤0.5%
Power Supply: 2pcs 1.5V AA batteries(Not included)
Working Time: 4-8 hours

--Receiver Specifications:
Frequency Channel: 16 channels
Oscillation Mode: DSP chip frequency lock
Frequency Stability: ±10ppm
Receiving Sensitivity: -95~-71dBm
Frequency Response: 40-18kHz
Signal to Noise Ratio: ≥90dB
Audio Output: Max.300mV
Power Supply: 1pc 18650 lithium battery(Not included)

Package Size: 30 * 19 * 6cm / 11.81 * 7.48 * 2.36in
Package Weight: 772g / 27.23oz

Packing List:
2 * Handheld Microphones
1 * Receiver
2 * Microphone Silicone Rings
1 * USB Charging Cable
1 * User Manual