Kensington warranty Japanese SlimBlade Trackball 72327JP

A large trackball with multi-functions! ■Easily scroll by just twisting the ball. In addition to the normal view mode, it has 3 modes: a view mode that allows you to zoom in/out the image, and a media mode that allows you to forward/backward tracks. Functions can be assigned to four buttons by downloading the driver. ■User-friendly design that reduces wrist strain during long hours of work. There is no need to move the main unit like a mouse, saving space. ■Left-right symmetrical design that can be used with any dominant hand. There is no need to install a driver, and if you want to customize it, you can download the driver for free from the Nanayo Shoji website. An advanced trackball that offers unprecedented enjoyment in a variety of situations. Cable length: 150cm Ball diameter: 55mm Accessories: Quick start guide Size: Height 150mm x Width 133mm x Height 60mm, Weight: 306g, Compatible OS: Windows XP / Vista / 7 / 8, Mac OS 10.4.11 or later, Connection method: USB, Sensor method: Dual laser method