The new benchmark in comfort and precision. Logitech's most advanced trackball for trackball enthusiasts and consumers looking for alternatives to mice and touchpads. Provides 20% less muscle strain than a standard mouse. An intelligently adjustable hinge provides personalized comfort. The "Precision Mode" button allows you to instantly switch between high-speed tracking and high-precision tracking. Easy-Switch™ and FLOW enabled for effortless workflow across multiple computers. Pair up to 2 computers and switch effortlessly between them. Use the "copy and paste" function for text, images and files. * The fast-charging battery lasts up to 4 months on a full charge.** Connectivity options via the included Logitech® Unifying™ receiver or via Bluetooth®.

– 20% less muscle strain than a standard computer mouse
– Hinge adjustable between 0 and 20 degrees
– Advanced Tracking and precision scroll wheel
– Easy-Switch™ and FLOW™
– Two connection options: Logitech® Unifying™ receiver or via Bluetooth®