Kensington Computer mice, products from Japan

A large trackball with multiple functions ■Easy scrolling with just a twist of the ball.;In addition to the normal view mode, three other modes are available: a view mode that allows zooming in and out of images, and a media mode that allows forwarding and backing of songs.;The driver can be downloaded to assign functions to the four buttons. ■ Human-friendly design to reduce the burden on the wrist during long hours of work.;No need to move the main body like a mouse, saving space. Symmetrical design for any handedness.;No driver installation is required. For customization, drivers can be downloaded free of charge from the Nichiyo 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: 150mm (length) x 133mm (width) x 60mm (height), Weight: 306g