ERGO M575 WIRELESS TRACKBALL BLACK A/V Cable or your lap

or your lap

it has feet made of high performance material and a rubber wheel for quiet gliding and scrolling

Heo 25k Sensor

The speakers are optimized for speech clarity

The silicone-padded headband is lightweight and provides just the right clamping force for a fit that's so comfortable you might forget you're wearing a high-performance headset

ERGO M575 WIRELESS TRACKBALL BLACK A/V Cable or your lapMeet ERGO M575 a wireless trackball with incredibly easy thumb control. This is the newest addition to the Logitech Ergo series that promotes increased comfort, lower muscle strain, and improved, more natural posture. Forget about sliding around a mouse or moving your arm to move the cursor. The ergonomic sculpted shape of ERGO M575 minimizes movement and maximizes comfort while keeping your hand and arm relaxed. With two ways to connect via Bluetooth