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 RCA and 3.5mm audio interface to a receiver at a distance of 50 meter for listening. 3、RCA and 3.5mm Interface: Automatically connected after power on, supports RCA 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. Item Type: 2.4G Wireless Audio Transmitter Maximum Transmission Distance: 50m / 164ft Receiver Power Consumption: 5V 45mA Transmitter Power Consumption: 5V 150mA RF Frequency: 2.4GHz Transmitting Power: 14dB Signal to Noise Ratio: 67dB Frequency Range: 20Hz-14.5kHz Maximum Output Level: 1.75Vp-p Operating 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 Transmission 2. Enhanced Transmission with External Antenna 3. Auto Connect upon Powering On 5. Supports RCA and 3.5mm Output Interface 6. Receiver can Drive Headphones 7. Dual Way Volume Control 8. Type C Interface Power Supply 1 x Receiver 1 x Transmitter 1 x English User Manual 2 x Antenna 2 x USB Power Supply Cable 2 x Power Supply Plug