Contoured, natural (46.7 degree) slope keeps the wrist in a neutral handshake position, eliminating soft tissue compression.\r\nAn extended lip for the little finger provides complete support for smoother, larger muscle group movement.\r\nFully-featured mouse with scroll wheel, left, right, forward, back, and DPI (800/1000/1200/1600) buttons.\r\nSimply plug in the nano receiver for plug & play wireless connectivity up to 20 meters.