The video that you are seeing here is Rich Lee, and he just had magnets implanted in his ears. The purpose is to create headphones that are essentially surgically implanted. Yes, the magnets work as speakers, but they require a coil necklace with an attached amplifier that hangs around the neck. Controlling the volume is apparently done by moving the coil and amplifier … [Read more...] about How about a pair of headphone implants?