You’re listening to a song and you really want to share it with your friend. You can pull out one of your earbuds but audio quality takes a dive and that’s just plain unsanitary. Even if your friend has a set of headphones, it’s unlikely you’ll have a splitter cable with you. Onanoff has remedied this issue with its Magnum in-ear headphones; the splitter is built into the jack. How well does this actually work? Hit the jump for our full review of the Magnum headphones and Magneat cable manager!