Are you looking to enhance your ergonomic productivity options? With the Kensington® Pro Fit ergo vertical wireless mouse you can experience unbeatable value shipped next business day. Featuring a contoured, natural (46.7 degree) slope that keeps the wrist in a neutral handshake position, eliminating soft tissue compression, and an extended lip for the little finger provides complete support for a smoother, larger muscle group movement. This fully-featured mouse with a scroll wheel, left, right, forward, back, and DPI (800/1000/1200/1600) buttons allow for wireless connectivity with plug & play that allows up to 20 meters connection. Additionally, the vertical mouse uses a low battery indicator so you’re never caught off guard. One AA battery lasts up to a year. Nano receiver conveniently stores inside the mouse when not in use.