Experience next-level comfort and productivity with the powerful MK850 Performance. Fly through documents and web pages with hyper-fast scrolling - and type quietly and efficiently on a full-size keyboard with carefully-crafted keys. The cushioned palm rest and curved keyframe gives you the support you need, adjustable tilt legs offer the perfect typing angle, and the contoured design of the mouse fits comfortably in your palm. Type and switch seamlessly between your computer, tablet, and phone. Pair your mouse with up to 3 devices.

12-digit printing calculator features concave keys that are engineered with Microban antimicrobial protection that reduces the growth of microbes and bacteria to prevent discoloration and odors. Extra-large fluorescent display ensures easy viewing to help prevent reading errors. Two lines-per-second ink printer delivers two-color prints to easily differentiate positive and negative numbers. Cost-sell-margin keys make for quick and simple profit margin calculations. Printing calculator also includes one-touch change calculation, double zero key, tax calculations, change sign key, grand total key and more.

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. Connect to either Windows or macOS and never worry about drop-offs or laggy connections.