The Logitech K350 Wireless Wave Ergonomic Keyboard in black offers a comfortable and efficient typing experience. With its ergonomic design and QWERTY layout, this keyboard is ideal for long hours of use. Its wireless connectivity allows for flexibility in placement, and the multimedia integration, enhanced function keys, and programmable one-touch buttons provide added convenience. This model does not come with a USB dongle, but it still offers reliable performance for everyday use.