The Ultrathin wireless Bluetooth keyboard is a sleek and portable device designed for use with various operating systems such as iOS, Android, and Windows. Its slim design makes it easy to carry and store, while the QWERTY layout ensures a comfortable typing experience. With Bluetooth connectivity, the keyboard allows for seamless pairing with your devices without the hassle of wires. The black color and English language keyboard make it versatile for users in different regions. Made in China, this unit offers a convenient and efficient solution for typing on the go.