Keyboard - office, membrane, wireless, backlit, low profile keys, american (international) keyboard layout, Bluetooth and Wireless USB receiver, graphite colour   Logitech MX Keys PLUS a new highlight in office keyboards. PERFECT STROKE KEYS.                The Logitech MX Keys Plus keyboard presents low-profile Perfect Stroke keys that ensure every keystroke is fluid and accurate. These produce a keyboard similar to a laptop's and is  especially useful if you have never used or become accustomed to full-stroke keyboards. MAIN FUNCTIONS   MX KEYS     ...