Toshiba will show a variety of new devices built to exploit its tiny 0.85-inch hard drive at CeBIT today.

The company's 1.8-inch drives are used in iPods and other devices. None of the products on show at CeBIT are available commercially – yet. "Toshiba believes that the concept designs will inspire designers and manufacturers of next-generation, smart mobile accessories," the company said.

Concept products on show include a variety of wearable devices: intelligent spectacles; a wristwatch PDA and MP3 player headsets.

For example, the concept model wristwatch offers full PDA features with a widescreen display capable of video playback and video phone conferencing. Features include Bluetooth, WiFi and voice recognition.