That's what others call the left-handed M570. Installs on Windows 10, no drivers other than what Win10 took from its repository. Works great. A bit touchy for my tastes, but omitting it made it manageable. Obviously I bought mine from a seller in the US as shipping was fast. Now I see that the delivery date is somewhere in July. I don't recall any issues I've had with it, it behaves like any other trackball I've had. If you rotate it too fast, it will lose its place and prevent the cursor from moving around the screen. Pros: Left-Handed Trackball $%^&ing! It could be made out of dirt and I'd be happy! Cons: Wireless, I would prefer if it was wired. It's going nowhere and I can handle a wire. But I can't blame the company for that. If you had to make one, Wireless would sell more products. Update 08/25/2016: Still works (with the first battery). He shut off a couple of times but came back again. I can't fault the device, the connected laptop is not always the most stable. Today I installed the ELECOM drivers, they seem fine, there is nothing special about them except that I now control most of the buttons.
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