Whenever we see one of our favorite keyboards on sale, we consider it our duty to share the good news with you. Now available at its best-ever price of $80, the Logitech MX Keys Mini is on sale at Amazon and Best Buy—possibly the sign you needed to add one of these bad boys to your setup. The Logitech MX Keys Mini is a minimalist yet powerful keyboard that’s especially useful if you frequently switch between multiple devices (e.g., laptops, desktops, tablets, even phones). This wireless keyboard also comes with low-profile keys that are designed to fit the shape of your fingertips, improving t…