Enhance your productivity while staying comfortable with this Wireless ERGO K860 Keyboard & MX Vertical Ergonomic Mouse Kit from B&H. Designed to conform to the natural position of your arms and hands, both the keyboard and the mouse help to reduce strain while you work for extended periods of time. With wireless connectivity via Bluetooth or one of the two included Unifying USB RF receivers, you can enjoy a clean desktop that's free of cable clutter.