If your device does not have the AV function of USB jack, then that not be able to use the USB to 3RCA audio cable, please check the TV manual or the device's USB jack next to the text of the prompts, there is "AV IN", AV input or output and other words prompted by the device are generally available. Please note: 1. USB to 3RCA converter is not suitable for connecting computer to TV; 2. This wire is not for transferring data or files, it is only for viewing images.,USB male to 3RCA male adapter quick identification method, yellow wire jack: used to transmit video signals, commonly used in composite video connections. Red and white: used to transmit stereo audio signals, where red represents the right channel and white represents the left channel.,The USB to 3RCA audio/video cable has a USB 2.0 Type A male converter on one end and 3RCA male connectors on the other end. USB is used as the input and RCA is used as the output, and it supports unidirectional transmission only.,AV composite wire USB male to 3RCA converter features pure copper conductors for improved signal clarity, and the 5Ft connector length allows for better expansion when using the device.,USB male to 3RCA male audio/video converter cord is mainly used for TV sets, DVDs, set-top boxes, game consoles and other devices with USB jacks.