Its called the Ring Clock, and is meant to be a time telling device worn on one of your fingers. It allegedly uses ultra-thin mono-color LEDs and a ultrathin rechargeable lithium polymer battery (Wearable Technology)
The new Portable Raspberry Pi has been created by SK Pang Electronics and features a QWERTY keyboard complete with touchpad and it owns portable power pack, which has all been mounted on to a transparent base with a carrying handle.
Many of us have heard of the Raspberry Pi in the past. It may sound like a food but is anything but. It is a great tool for folks who want to try exciting electronics projects. This infographic from WhoIsHostingThis shows you how to get started with it: