1. 2.4G Wireless Transmission: This wireless audio transmitter uses 2.4G technology to ensure HD sound quality and no delay transmission, reducing cable interference and clutter issues.2. 50 Meter Signal Distance: The wireless transmitter can transmit 2.0 analog stereo audio signal from and 3.5mm audio interface to a receiver at a distance of 50 meter for listening.3. and 3.5mm Interface: Automatically connected after power on, supports and 3.5mm port input and output, receiver can drive headphones, supports bidirectional volume control.4. Antenna and Power Supply: Equipped with external antennas to ensure better transmission efficiency, equipped with Type C power interface and USB power supply cable, simple and practical.5. Applicable Scenarios: This 2.4G wireless audio receiver and transmitter kit is widely used in home video, education, square broadcasting, stage performances, concerts and other venues.Specification:Item Type: 2.4G Wireless Audio TransmitterWide Voltage: 100-240VMaximum Transmission Distance: 50m / 164ftReceiver Power Consumption: 5V 45mATransmitter Power Consumption: 5V 150mARF Frequency: 2.4GHzTransmitting Power: 14dBSignal to Noise Ratio: 67dBFrequency Range: 20Hz-14.5kHzMaximum Output Level: 1.75Vp-pOperating Temperature: -40-85℃Storage Temperature: -60-120℃Operating Humidity: -10-90%RH (non condensing)Storage Humidity: -5-95%RH (non condensing)Feature:1. 2.4G Technology for HD Sound Quality No Delay Transmission2. Enhanced Transmission with External Antenna3. Auto Connect upon Powering On4. Supports and 3.5mm Input Interface5. Supports and 3.5mm Output Interface6. Receiver can Drive Headphones7. Dual Way Volume Control8. Type C Interface Power Supplypacking list:1 x Receiver1 x Transmitter1 x English User Manual2 x Antenna2 x USB Power Supply Cable2 x Power Supply Plug