Logitech 910-006221 ERGO M575 for Business

Logitech ERGO M575 Wireless Trackball for BusinessN/AA thumb-operated trackball for extra smooth tracking. Superior palm support allows the hand to comfortably rest on the sculpted ergonomic shape. 20% less muscle activity in the forearm with no need to move the hand to move the cursor. Designed to provide all-day comfort.N/AN/AMINIMAL MOVEMENT MAXIMUM COMFORTN/AThe sculpted ergonomic shape provides superior palm support1 while naturally fitting the hand. With no need to move the arm around to move the cursor users experience 20% less muscle activity in the forearm which he