The Precision Instruments Mac Compatible Trackball Pro is a high-quality trackball mouse designed for optimal performance and precision. This gray trackball features a 3-button design with a maximum DPI of 1600, making it ideal for precise navigation on your computer. With wired connectivity and optical tracking method, this trackball provides a smooth and efficient user experience. The ADB compatibility ensures seamless integration with your Mac system, while the brand reputation of Precision guarantees reliability and quality. Made in the United States, this trackball is a top choice for those seeking a reliable and comfortable pointing device for their computer.