The korean maker of high tech optical media has launched a mice which is battery-free and wireless. The mouse features '2XClick button', which enable users to click just one time to operate programs instead of double-clicking, and 'office(program map) button' that can run programs right away without moving a mouse pointer. The 10g mouse runs on a dedicated mouse pad powered by a USB port. By using RF wireless technology, it solves conventional signal interruption problem which often occurs when multiple mice are running in the same area. The mice costs $20 approximately.

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