Logitech MX Ergo Wireless Trackball Mouse, (Bluetooth or USB), Rechargeable,Color Graphite.

Customers praise the mouse's quality, ergonomics, and comfort, noting it fits hands comfortably and reduces wrist strain. The battery life is excellent, allowing use while charging, and customers appreciate the 20-degree tilt angle options. The Bluetooth connectivity receives mixed feedback - while some report excellent connections, others experience frequent disconnections. Reliability and value for money also get mixed reviews, with some saying it works well while others report it stops working, and while some find it worth the price, others consider it expensive.