 A visitor tries a wearable computer in a trade fair held in Jinan, East China`s Shandong Province, October 25, 2007. This wearable computer , developed by the University of Electronic Science and Technology of China, is less than 1,500 grams in weight. [Xinhua] |
 A staff member from the University of Electronic Science and Technology of China shows the Webcam and ocular display of a wearable computer in a trade fair held in Jinan, East China`s Shandong Province, October 25, 2007. [Xinhua] |
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