Minimize movement and maximize comfort with ERGO M575, a wireless trackball with a sculpted shape and smooth, responsive thumb control. It doesn't need to be moved, so it's perfect for tight desk spaces. Make any workspace your comfort zone. This compact setup has the tools you need for all-day comfort and better productivity-from a minimalist keyboard and trackball combo to the right webcam and wireless headset to feel great during calls. Connector/Port/Interface: Bluetooth; USB-C; Left/Right Hand Use: Right; Mouse Technology: Mechanical; Wired/Wireless: Wireless.