Shake hands with your mouse. The Pro Fit&174; Ergo Vertical Wireless Mouse, with its natural handshake position, improves wrist posture for better comfort. In an independent study conducted by professional ergonomists*, &156;users rated the vertical mouse as the most comfortable & that it conformed to their hand naturally.&157;\n\n* Source: 2019 VSI Risk Management & Ergonomics, Inc. study.\n\n Contoured, natural (46.7 degree) slope keeps the wrist in a neutral handshake position, eliminating soft tissue compression.\n An extended lip for the little finger provides complete support for smoother, larger muscle group movement.\n Fully-featured mouse with scroll wheel, left, right, forward, back, & DPI (800/1000/1200/1600) buttons.\n Simply plug in the nano receiver for plug & play wireless connectivity up to 20 meters.\n A low battery indicator lets you know when it&153;s time to change the battery, so you&153;re never caught off guard. One AA battery lasts up to a year.\n Nano receiver conveniently stores inside mouse when not in use.\n In an independent study conducted by professional ergonomists*, &156;users rated the vertical mouse as the most comfortable & that it conformed to their hand naturally.&157;*** Source: 2019 VSI Risk Management & Ergonomics, Inc. study.\n\n\n\n\n\n Product Model: Pro Fit&174; Ergo Vertical Wireless Mouse\n Datasheet: https://d 5bm 31en 4blvo.cloudfront.net/pdf/mmo_76751757_1583604398_7173_26914.pdf\n\n