Split one headphone jack into two separate jacksThe MUY1MFFS Slim 3.5mm Stereo Splitter Cable/Y-cable features one 3.5mm male and two 3.5mm female audio connectors, splitting a single headphone jack into two.A practical, cost-effective audio solution, the 3.5mm stereo splitter cable features slim connector molding that fits easily into a 3.5mm headphone jack, even if the iPod/iPhone/iPad/MP3 player is in a protective case.The 3.5mm audio splitter/Y-cable is backed by StarTech.com's Lifetime warranty.The StarTech.com Advantage- Connect headphones and external speakers simultaneously to your computer- Slim connector design enables a simple 3.5mm audio device connection, even if the device is enclosed in a jacket or case- Backed by StarTech.com lifetime warranty