Enjoy faster scrolling with great precision and control using the Logitech Lift Vertical mouse. Designed especially for left-hand users, this mouse features 2.4GHz and Bluetooth Low Energy technology to establish quick connection without any delay or dropout. It comes with a 4000 DPI optical sensor to minimize hand movements that help lessen fatigue. | Logitech Lift Vertical Left-Handed Bluetooth Mouse - Graphite