Using a computer without having a mouse is a difficult task. It is not a particularly advanced model, with no more than three buttons.
From SmartTeck
Verbatim Go Nano mouse Ambidextrous RF Wireless 1600 DPI -
Clove Technology
Verbatim Go Nano mouse Ambidextrous RF Wireless 1600 DPI
OnBuy
Verbatim 49044 GO NANO Wireless Mouse 49044