3.5mm USB Adapter Cable — Simple plug-and-play audio for cars without USB decoding Key benefits Solves compatibility issues: lets vehicles that cannot decode USB audio play music from smartphones, MP3 players, tablets, and USB drives. Easy to use: plug the cable into your audio source and your car’s AUX/line-in, select the car stereo’s input, and play — no complex setup or firmware changes. Reliable listening: designed to provide stable, uninterrupted audio for road trips, daily commutes, and other driving situations. What it does Converts a USB/audio source to a standard 3.5mm analog input so you can use your car stereo’s AUX or line-in when the head unit lacks built-in USB decoding. Includes a sound cable that connects common portable devices directly to the car sound system, providing a straightforward workaround for older or basic stereos. Compatibility and function Compatible with smartphones, MP3 players, tablets and USB audio sources when used with car stereos that accept a 3.5mm AUX/line-in connection. Works with vehicle stereos that lack USB decoding capability and need an analog audio input to play your music. Plug-and-play operation: no apps or drivers required; set your stereo to the AUX/line-in channel to hear audio. Design and performance Compact, lightweight cable for convenient storage in the glove box or center console. Built for reliable audio transfer and everyday use in the car environment. Simple, durable connectors suitable for frequent connection and disconnection. Typical use scenarios Road trips: play full playlists from your phone or MP3 player through the car stereo without interruptions. Daily commute: stream podcasts or music from a tablet or smartphone using the car’s AUX input when USB playback isn’t supported. Older or rental vehicles: an easy solution to add modern device compatibility to stereos that do not decode USB audio. What you get A 3.5mm USB adapter cable and sound cable that let you connect portable devices and USB audio sources to car stereos that rely on analog inputs for playback. Note Intended for use with car stereos that accept a 3.5mm AUX/line-in. Compatibility depends on the head unit’s supported input methods.