The Protoarc Ergonomic Keyboard and Number Pad Combo (Model EK04) is a wireless keyboard with a detachable numpad, making it versatile for different tasks. Its ergonomic design provides comfort during long typing sessions, while the black color adds a sleek look to any workspace. The QWERTY layout, standard in English language, ensures easy use for most users. Additionally, the built-in battery and plug & play functionality make it convenient for everyday use, while the removable keypad allows for customization to meet specific needs.