Interesting but a bit perplexing in that its products were expressly declaimed as non-final designs without prices, Ezio used its 2013 CES booth to show off its concepts for a Bluetooth 4.0 Smart Jewelry Collection —necklaces and wristbands with jewelry-like implementations. The pitch: one of these can be worn on your body, providing alerts for a wirelessly-connected iPhone’s incoming calls, messages, and anti-theft purposes. Ezio also…