Kensington’s design shows a wireless trackball mouse with a large ball in the center that you can move to manipulate an ...

The ProtoArc Wireless Trackball Mouse, EM04 Ergonomic Bluetooth Rollerball Mouse Rechargeable Computer Laptop Mouse Thumb Control Mice, the innovation that breaks away from conventional mouse designs, ...

While some games like first-person shooters naturally lend themselves to keyboard and mouse ... for a wireless connection with lower latency. However, unlike on some other trackball mice, there ...

When we first heard about a mouse ... hands off the keyboard to a different location each time. There are several solutions for that, but the oldest one is probably the trackball.