The Logitech K400 Plus Wireless Membrane Keyboard is a versatile and convenient keyboard that does not require a USB receiver (dongle) for connectivity. With a sleek gray design and QWERTY layout, this keyboard features built-in touchpad and trackball, enhanced function keys, and the ability to fold for easy storage. It also comes with a 1-year warranty and California Prop 65 warning. This standard keyboard is ideal for those looking for a reliable and efficient typing experience without the hassle of wires.