Analog Audio Extender: Extend your 3.5mm stereo audio signal up to 500 meters over Cat5e/6 UTP cable. Use oxygen-free copper CAT6 cable to ensure signal integrity. Note: CAT6 cable wire sequence must be 568B. Audio Converter: The receiver can output both RCA and 3.5mm stereo audio signals simultaneously. The transmitter can transmit either RCA or 3.5mm stereo audio signals, but not both at the same time. Pure Transmission: Long-distance transmission using differential digital signals through ADC technology to avoid interference and eliminate noise. Plug and Play: Easy to use, no driver installation required. Plug Type: EU Plug, suitable for use in Indonesia, Germany, France, Spain, Italy, and other compatible regions. Color: As shown Material: Aluminum alloy Voltage: AC 220V Package Contents: 1 x Analog Audio Extender Transmitter 1 x Analog Audio Extender Receiver 1 x Adapter Note: Light reflection and different display settings may cause slight color variations between the item in the image and the actual product. Measurement tolerance is +/- 1-3 cm.