Product details:

Experience first-in-class trackball innovation. The Orbit Fusion Wireless Trackball provides an opportunity to experience ergonomist approved comfort, the superior control and precision benefits of a finger-operated trackball and a patented scroll ring within the familiar shape of a mouse. Perfect for new trackball users, the sculpted mouse-like design provides all-day comfort, offers 5 programmable buttons for significant productivity gains, and three DPI settings for simple cursor control transitions. The premium laser tracking sensor and 40mm trackball allow users to navigate multiple monitors and large files with less desktop space and better precision and speed. Let your hand fuse with innovative comfort and control and preferred finger-controlled track and scroll Provides multiple pairing options connect to a laptop or mobile smart device via Bluetooth 3.0 or 5.0 (Bluetooth LE) to save a valuable USB port, or to a desktop PC via the 2.4GHz USB-A Nano dongle. The high-performance optical sensor tracks quickly and accurately on even the most difficult modern office surfaces, including glass, granite, lacquer, marble and wood. Meets corporate security protocols and protects your data from potential hackers with government-grade encryption technology. Easily adjust the cursor speed to meet your needs by selecting the appropriate DPI level (1200/2400/4000) higher DPI for casual browsing or word processing and lower DPI for precision editing. Works with Windows, Chrome OS, macOS and Android OS. An ideal mouse for desktop PCs with or without Bluetooth functionality, and newer devices with Bluetooth LE, like the Surface Pro and MacBook Pro.Provides up to 14 months of usage without a battery change
The unique finger-operated scroll ring provides a more precise, intuitive and comfortable scrolling experience
All-day comfort is provided through a sculpted mouse-like design to improve palm, wrist, forearm and shoulder position with less hand movement