Facelift aside, one of the biggest changes to the mouse is the addition of haptic feedback. The Master 4 introduces haptic feedback into basically every function on the mouse, whether that’s simple scrolling and selecting, or more advanced video editing and design work.
There are four intensity options to choose from: subtle, low, medium, and high. I mostly stuck to medium and felt that the vibration was fairly strong. While Logitech doesn’t specify how this affects battery life, a warning in Logi…








