EXTEND THE AUDIO CONNECTION: Sync wire 3. 5mm audio extension cable extends the audio connection between your iPhone, iPad, iPod, media players, smartphones, tablet and any other 3. 5mm aux port equipped devices to your headphone, earphone, speaker, car stereo or home theater system etc. Slim connector fits in almost all smartphone cases (except life proof case). Step-down design ensures firm connection and smooth plugging and unplugging experience. | TRANSMIT HIFI SOUND QUALITY: 24K gold-plated connectors ensure reliability and eliminate signal loss and noise possible. Enameled copper wires provide the best conductivity and perfectly transmit sounds from your music player to headphone or speaker. No static or interference like wireless connection. | SUPER-DURABLE & TANGLE FREE: Features soft nylon braided jacket, Sync wire audio extension cable has a 15000+ ultra-durable bend lifespan. Gold-plated connector avoids oxidation and corrosion. This extension cable can last for years of use. | PROTECT YOUR AUX DEVICES: This AUX extension cable is a great solution to protect your devices 3. 5mm aux port from repeat plugging and unplugging. It's costly to buy a new device, while it's so easy to get a 3. 5mm auxiliary aux cable. | WHAT YOU GET: Syncwire audio extension cable. Friendly and fast customer service within 24 hours.