Tangent Element Bundle with Trackerball/Multifunction/Knob and Button

With the compact Tangent Element Bundle, there's no compromise on ergonomics, features and controls. It comes in an ultra-slim all metal construction. Every programmable control is labelled on a high contrast, high resolution, OLED display. All the internal components have been carefully chosen for reliability. All rotary controls and trackerballs have optical pickups, which means they are long-life and high precision. The buttons are ultra-reliable with a positive tactile response.