2.4G Ergonomic Trackball Handheld Finger Usb Mouse Wireless Optical Travel Dpi Mice For Pc Laptop Mac Left And Right Handed Green Ball

Trackball Comfort - Ergonomic Handheld Trackball Mouse Wireless Is A Best Choose To Reduce The Chances For Arthritis And Cts Suffers. Hold Ergonomic Handheld Trackball Mouse Wireless In Your Hand Like A Trigger And Use Your Thumb To Move Around. Sculpted Shape Supports Your Hand Staying In One Place, Move The Cursor Without Moving Your Arm. Suitable For Both Left And Right Hand - New Style, No Space Limitation, Left/Right Clickers, Fit Left And Right Handed Users.