Realign into a more natural posture. And relax into focus, all day long with Lift Vertical Ergonomic Mouse — a great fit for small to medium hands, with a left-handed option available too. This set contains a Logitech Lift Vertical Wireless Ergonomic Mouse with 4 Customizable Buttons (Pale Gray), a Logitech Mx Palm Rest, and 4-Port Usb 3.0 Hub.