Kensington SlimBlade Pro Trackball (k72080ww)

Using a mouse may feel familiar but it can also provide lessthan - precise navigation cramped desk space and cramped hands. The Pro Fit Ergo TB550 Trackball brings the comfort and convenience of

• Wireless trackball mouse provides dual wireless connectivity with the flexibility of Bluetooth LE, or 2.4 GHz wireless with 128-bit AES government-grade encryption security
• 4D scroll wheel supports both vertical and horizontal scrolling; Four DPI settings let you easily adjust the cursor speed to fit your needs by selecting the appropriate level (400, 800, 1,200, or 1,600) — lower DPI for precision editing, and higher DPI for word processing or casual browsing
• Rechargeable battery provides up to 4 months of battery life with a single charge via the USB-C port
• 34mm ball’s hard surface is specially designed as a perfect sphere for precise tracking and control by the optical sensor; patented ball ejection system features a unique, easy-to-clean design with built-in trackball ejection button to effortlessly remove the trackball for cleaning when needed
• Ergonomic trackball mouse provides all-day comfort and features a unique 45° tilt that helps improve wrist and forearm alignment