WORK IN YOUR COMFORT ZONE Minimize movement and maximize comfort with ERGO M575 – a wireless trackball with a sculpted ergonomic shape. With no need to move your arm around to move the cursor, your hand and arm stay relaxed. The smooth and responsive thumb control can be used anywhere – and since it doesn't need to be moved – ERGO M575 is perfect for tight desk spaces. SHAPED FOR HANDS LIKE YOURS ERGO M575 has been designed and developed to ergonomically fit the shape of your hand. And with no need to move your arm around to move the cursor you'll reduce fatigue in your hand and arm. THUMBS UP FOR THUMB CONTROL Get on a more ergonomic track with exceptionally precise trackball control. Your thumb will glide across the smooth ball surface with total ease thanks to transparent finish coating. And the high-performance optical sensor matches great accuracy with ultra-low power consumption. MORE SPACE FOR ALL YOUR (AWESOME) STUFF ERGO M575 features a super compact footprint since it doesn't move to control the cursor. It's ideal for tight workspaces, or for those of us that have desks full of papers, personal items – and sometimes even a bowl of cereal. EASY CONNECT WITH WINDOWS® AND MAC® With two ways to connect – via Bluetooth® Low Energy or the included USB receiver – ERGO M575 provides a powerful, reliable signal from up to 10 m away.1Wireless range may vary depending on operating environment and computer set up Connect to either Windows or macOS® and never worry about drop-offs or laggy connections.