Logitech unveils MX Master 4 with haptic pad and Actions Ring

Logitech on Thursday introduced the MX Master 4, the latest entry in its MX Master line of productivity mice, adding customizable haptic feedback and a new Actions Ring overlay to a familiar ergonomic design. The company said the mouse will be sold globally in multiple finishes, with a Mac-specific model and a business version for corporate deployment, and will carry a suggested retail price of $119.99.

The MX Master 4’s headline addition is an immersive haptic pad under the thumb that can produce programmable vibrations for scrolling, navigation and selection. The haptic response and its intensity are adjustable in Logitech’s Logi Options software, and developers can create plugins that trigger haptic signals in specific applications. Logitech said Adobe has already produced a haptic plugin for Photoshop. The Actions Ring is a context aware, on‑screen radial menu that appears when the haptic pad is pressed, offering up to eight app specific shortcuts that users can customize.

Logitech said the MX Master 4 retains the series’ signature elements, including a MagSpeed scroll wheel with both ratcheted and free‑spinning modes, a horizontal thumbwheel, multiple programmable buttons...