This is pretty awesome! The Orb --- mobile headset doubles as a ring and can be used 30 feet away from your phone. It vibrates if you get a call, but also has a voice-to-text device so you can read messages on your ring.
Sony Nextep: Designed by Hiromi Kirik from Japan Developed to be worn as a bracelet, this computer concept is constructed out of a flexible OLED touchscreen. with holographic projector (for screen), & pull-out extra keyboard panels!