I purchased this on Amazon, but the angle didn't suit me, so I'm selling it. ------------------- Angle adjustment stand specifically for the Logitech MX ERGO and MX ERGO S. It tilts the device to 50 degrees, an additional 30 degrees from the standard 20-degree tilt, allowing for work at a more natural hand angle. A stick is included for removing the ball, and it can be stored magnetically when not in use. It has a smooth, simple design that matches the shape of the MX ERGO. The stand will not fall off even when the trackball is lifted.