If you want full freedom of movement, you should opt for a wireless mouse such as this one. While most computer mice have two buttons (and maybe a scroll wheel), this one has six.
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CHERRY MW 9100, wireless and rechargeable mouse, optional connection via Bluetooth or 2.4 GHz radio, precise 2400 dpi sensor,...
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JW91002 - Mouse MW 9100 Wireless Rechargeable black BT 6 Tasten, bis z
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