Increase your productivity with the Lofree Digit Retro Mechanical Calculator. This vintage inspired electronic device features mechanical switches, providing a responsive typing experience. Digit comes with everything you need for basic calculations. Aside from improving your typing experience, Digit also has a fun design that looks good on any desk. In addition, the mechanical calculator has round spherical keycaps, which provide an ideal fit for your fingers. The Gateron mechanical key switches also offer physical responses, allowing you to hear and feel the keycaps during your calculations. Drawing inspiration from the 1960’s, Digit uses a similar retro design as other Lofree products. Furthermore, the calculator has a 6-degree tilted screen design, making it more stable and easier to read. Using a single AAA battery, Digit lasts for over 500 hours. It also has an auto-sleep mode to help prolong its battery life.