The Rii RK100+ keyboard is a large-size mechanical keyboard with a sleek black design and illuminated rainbow LED backlit keys. It is wired via USB for easy connectivity to computers and tablets. The key features of this keyboard include its illuminated keys, making it easier to type in low-light environments, and its high-quality construction from the trusted brand Rii. Ideal for users looking for a stylish and functional keyboard with enhanced visibility and a comfortable typing experience.