There are still innovations and developments in the computer mouse sector during the fall of 2025, and latest innovation is the new white and silver edition Kensington Pro Fit Ergo TB450 Trackball, which is being released in November for $39: https://www.amazon.com/dp/B0FQJDJHFP/

Kensington Pro Fit Ergo TB450 Trackballis an ergonomic trackball mouse engineered to promote comfort during extended computer use. It features a thumb-operated 34mm trackball and a 45° tilted sculpted design aimed at reducing strain on the wrist and forearm.

This wireless computer mouse supports dual wireless connectivity options—Bluetooth Low Energy and 2.4GHz via an included nano receiver—making it suitable for multi-device setups.

Kensington Pro Fit Ergo TB450 Trackball

It incorporates at least 50% post-consumer recycled plastic in its construction, excluding the PCB assembly and battery. The black and blue colored edition of this mouse has been released already.

Key features of the TB450 include a patented trackball ejection system for straightforward cleaning, four DPI settings (400, 800, 1200, and 1600) for customizable cursor precision, and up to 18 months of battery life on 2.4GHz mode or 15 months on Bluetooth.

Security is enhanced by 128-bit AES encryption, and plug-and-play setup is standard, with optional customization through the free KensingtonWorks software for Windows and macOS (Windows ARM-based systems are not currently supported). The SmartFit system targets users with average to larger hands, and it comes with a limited three-year warranty.

In terms of dimensions, this elegant looking computer mouse measures 138.16 x 93.44 x 50.1 mm (5.44 x 3.68 x 1.97 inches) and is designed exclusively for right-handed users.