My second USB was extremely minimal with a simple one piece of sapphire crystal. (www.mobiado.com)
July 3rd, 2012: The m|Storage USB stick is the latest device in Mobiado’s collection of Precision Mobile Instruments. The top surface of the USB stick is created from a single piece of sapphire crystal. Creating a durable device with a discrete minimalist appearance that has become the hallmark of Mobiado design.