Ultimate Ergonomic ComfortThe ergonomic design of the new trackball mouse is comfortable for all-day use. Avoid wrist and arm movement to reduce muscle pain, which helps you concentrate on your work to boost efficiency and creativity! Smooth Thumb ControlEasy control in every maneuver for your most detailed projects. The optical tracking technology provides extra precise cursor movement for superior accuracy, so you can easily get where you want with less movement. In addition, the trackball is totally removable for easy cleaning. Multi-task WorkflowConnect up to 3 devices and switch easily between them. Pair with Bluetooth 1 & Bluetooth 2, or simply use the USB dongle to connect. Just press the button on the bottom of the trackball mouse to switch for your efficient multitasking work.
