Therefore, it is typical, there is a really positive response, but it is extremely noisy, and the husband's wife is complaining that the child is waking up. In addition to the primary "-" key, the design of these keys is extremely unstable! This design is comprised of four very skinny legs that are placed in a cross. I've had them break twice, and it's gotten to the point where I have the "alt" key where the "ctrl" key should be. As a result, the entire perspective is ruined. Prior to the last seven to ten years, in my opinion, Logitech established itself as the most dependable brand in the industry. However, in recent years, the company has refocused its efforts solely on conducting business, selling products at inflated costs despite their poor quality. I cannot in good conscience suggest!