Abstract: An electronic data storage device is described that is capable of being worn, such as, as a piece of jewelry. The device includes a memory card, a modifiable directory structure for organizing electronic files stored in the memory card, modifiable electronic files containing bearer information stored in the directory structure, and may have a container enclosing the card and/or covering card contacts. The device may include labeling on one of an exterior surface of the memory card and/or the container indicating a name of the bearer to whom the information pertains; and unique data identifying the bearer retrievably stored on said memory card. The memory card may be inserted in an adapter and information retrieved and read via a personal or laptop computer.