Kensington SlimBlade Pro Bluetooth Wireless Rechargable Ergonomic Trackball Mouse for Windows and macOS, Ambidextrous Design Optical Tracking (K72080WW)

Currys

Kensington's SlimBlade Pro is all about keeping you pain-free. Its trackball reduces wrist movement, helping avoid repetitive strain injuries. You can still effortlessly scroll simply by twisting the dial. And no hand is left behind because its ambidextrous design fits both righties and lefties. And to help you get more done, you can use the KensingtonWorks software to program 8 sets of buttons - 4 individual and 4 combos. Good to know - Set your speed just right with 4 DPI levels - from precise editing at 400 to breezy browsing at 1600 - Use the KensingtonWorks software to change button functions to best suit through your workflow - Stay comfy and productive through long work days with the detachable wrist rest - Free yourself from cables by pairing with either 2.4 GHz wireless or Bluetooth - The battery should last you up to 4 months, and you can always use it wired- Optical tracking lets you navigate quickly and accurately

Amazon

Rechargeable battery provides 4 months battery life with a single charge via USB-C port and wired connection options for maximum flexibility Includes choice of Bluetooth, 2.4GHz wireless and wired connections. Compatible with Bluetooth BT3.0/BT5.0. Features 2.4GHz wireless dongle (USB-A with USB-C to USB -A adapter) and 1.5m USB-C to USB-A charging cable Large 55mm trackball lets users scroll up and down web pages and documents with quick precision via a simple twist Low-profile shape allows all-day comfort for both right and left-handed users, takes up less desk space than a mouse and is more comfortable during extended use since there is less arm movement Dual sensors accurately track the ball, giving users precise cursor control that requires less hand and wrist movement. Provides highly accurate and responsive cursor tracking and scrolling