3.5 mm Stereo Audio (Male) Splitter to Dual 3.5 mm Stereo Y Adapter (Female) Plug in two pairs of headphones to share your media experience with another Ideal for connecting two mini stereo speakers to your iPod Allows a single iPod to connect two sets of headphones for multiple listening enjoyment Light weight compact convenient, Light weight compact convenient For audio / music output ONLY: audio input not available: Mic on the cell phone headset will not work with this adapter