Trackball stans, rejoice! Kensington, one of the few remaining manufacturers of premium trackball mice, has announced two new options for the ergonomic diehards out there. Kensington introduced a pair of more budget-friendly options at CES 2023 with its new Pro Fit Ergo Trackball lineup, the $69.99 TB550 and $49.99 TB450. They join the $119.99 wireless SlimBlade Pro Trackball in Kensingtons’ trackball lineup, but where the SlimBlade Pro is manipulated by the user’s fingers, the new offerings rely on the thumb to get the cursor moving.