[Analog Audio Extender]Extend your RCA or 3.5mm stereo audio signal up to 500M over Cat5e/6 UTP cable.Please use oxygen-free copper CAT6 cable to 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 RCA or 3.5mm stereo audio signals and cannot transmit both audio sources 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,it applies to Indonesia, Germany, France, Spain, Italy and so on Colour: Black Material: aluminum alloy Voltage: AC220V Package Contents: 1 x Analog Audio Extender Transmitter 1 x Analog Audio Extender Receiver 1 Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.