Perixx Perimice-513
This particular model is wireless, so you'll never have to feel constrained by cords. The format of this mouse is such that it suits those with smaller hands.
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From Amazon
Perixx PERIMICE-513 Wired Ergonomic Vertical Mouse - 1000/1600 DPI - Right Handed - Recommended with RSI User
£16.99
Conrad Electronic
Perixx Vertikal Perimice-513 Ergonomic mouse USB Black 6 Buttons Ergonomic
£19.65
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