The BTC Wireless Keyboard & Mouse Combo Item # 5239+4W350 is a sleek and convenient set perfect for any computer setup. With a membrane type design and wireless connectivity via USB, it offers ease of use and portability. The black color and English keyboard language make it a versatile option for everyday use. Backed by a 1-year manufacturer warranty, this combo is reliable and efficient for all your computing needs. It is new in box.