Includes choice of Bluetooth, 2.4GHz wireless and wired connection options for maximum flexibility. Compatible with Bluetooth BT4.0/BT5.0. Features 2.4GHz wireless dongle (USB-A with USB-C to USB -A adapter) and 1.5m USB-C to USB-A charging cable (USB-C port on the trackball). Rechargeable battery provides 4 months battery life with single charge via USB-C port Low-profile shape allows all-day comfort for both right-handed and left-handed users. The trackball takes up less desk space than what is needed to operate a mouse and is more comfortable during extended use because it requires less arm and wrist movement. Dual sensors accurately track the large 55mm ball, giving users better cursor control that requires less hand and wrist movement. Provides highly accurate and responsive cursor tracking and scrolling. Simply plug in the USB cable to the trackball and users will be up and running quickly Free downloadable KensingtonKonnect software provides an easy-to-configure personalized experience, giving users the ability to assign a wide variety of program functions to 8 sets of programmable buttons with KensingtonKonnect installed. *Windows ARM-based computers are currently not supported. Please check back for future updates on compatibility