Review on Logitech M570 Wireless Trackball Mouse: Ergonomic Design for Right-Handed 🖱️ Users, Compatible with Mac and Windows, USB Unifying Receiver, Dark Gray (Discontinued) by Nikifor Stoilov ᠌

It feels very similar to Logitech's MX Ergo, not so fancy, but I rarely use these bells and whistles, so you can save money without losing anything significant. Four stars for the design, but this is again in comparison with the MX Has pros: Excellent trackball, more than two times cheaper than the top MX Ergo, but not much inferior to it. Has some cons: Hardly ever. I don’t really like the ribbed back, but this is pure taste, it does not affect the work