Analog Audio Extender: Extend your 3.5mm stereo audio signal up to 500M over Cat5e/6 UTP cable. Please 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 at the same time. Please note that the transmitter can only transmit either RCA or 3.5mm stereo audio signals and cannot transmit both audio sources simultaneously. 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: AC220V Package Contents: 1 x Analog Audio Extender Transmitter 1 x Analog Audio Extender Receiver 1 x Adapter Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement error allowance is +/- 1-3 cm.