Logitech Cordless MX Duo vs Logitech Freedom Optical : Review

Quote: The very first generation of mouse by Macintosh has only one button, a few years later we starts to see 2 buttons mouse for Microsoft Windows. Since accessibility is the main concern for input devices, more keys and buttons are necessary to allow fast access. Very soon we started to see scroll buttons and shortcut keys on mice and keyboards. Users soon found that corded mice and keyboards are not presentable and occupied space as well as limited by distance and entangle easily. Mice and keyboards continue to evolutes and cables are replaced with infra-red, however there must be a direct "line of sight" between the IR receiver and transmitter, finally radio technology and Bluetooth are implemented to solve the above problems.

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