Credit: Sonivo
This speaker connects to your phone without wires, Bluetooth or WiFi. All that is required is that your phone have an "external speaker". Probably means a "built in speaker".
http://www.youtube.com/watch?v=Shsh52gIOG0&feature=youtube_gdata_player
So how does it work? A video, previously available on YouTube, claimed the speaker had "New Field Induction". My guess: it uses induction from the built in speaker in your device. Notice the iPhone in the video has to be placed directly on the speaker. Can't imagine sound quality with such an arrangement can be very good. I'd expect it to be inferior to Bluetooth. And mono only. / near field communication NFC sound quality stereo wire cable connection battery internal rechargeable LiIon /
