Logitech Lift Vertical Ergonomic Mouse Bluetooth/Logi Bolt Ergo Wireless Pale Grey WhiteDescriptionSpecificationsShipping Raise your hand into comfort: Rest on Lift upright mouse throughout the day, with a softly textured grip and snug thumb rest for level above coziness. Rest your hand on a softly textured grip, with easy to reach buttons that help you work all day without lifting a finger. It even has a cosy thumb rest. Lifts optimal 57 angle places you in what we like to call natural handshake position. This puts less pressure on your