*Audio Sharing: Ugreen 3.5mm audio splitter allows dual headphones/speakers connected to most devices with 3.5mm auxiliary port (AUX), like MP3 player, smartphone, tablet, computer etc, which is a great solution to share cool music, movies and games with your families and friends. *Quality Sound: Polished 24K Gold-plated connector, aluminum shell, oxygen-free copper wire ensures higher audio transmission without signal loss and noise. Bring you superior stereo sound in both outputs. *Premium Materials: Durable shielding with pure copper, aluminum housing, *Gold-plated plugs significantly enhances the durability for a longer lifespan. The strain-relief rings of the connector makes the it more stable and flexible. *Widely Usage: Work with most devices with 3.5mm auxiliary port (AUX), such as iPad, iPhone, iPods, MP3 players, Laptops, PCs, Cell Phones, Tablets, PlayStation, WII. The cable length is 20cm/8inch, whitch is compact and lightweight for your road trips and plane rides. *Important Notes: If you use TRRS headphones (4-conductor) with this extension cable, the audio will work but the Mic won’t.It also does NOT work with the inline volume control on the headphone.