Microsoft Surface 1742 Slim Bluetooth Keyboard For Surface Pro Studio BookCompatible with Windows 10 / 8. 1 / 8, Mac OS 10.10.5 / 10.11.1 / 10.11.4, Microsoft Windows 10 phone, Android 4.4.2-5.0 Sleek and simple design Optimized feedback and return force Bluetooth 4.0 Complements your Surface Design is in the details, and we poured over every one of them for the Surface Keyboard. With the soft gray finish, it is the perfect complement to your Surface and Surface Mouse, and the finishing touch to a well thought-out desk space. You??ll love the solid feel of it under your fingers as you work. It pairs seamlessly with your Surface through Wireless Bluetooth, and the battery will power you for a full year. Get more done Thoughtfully engineered travel, height, pitch and spacing help improve your typing speed and accuracy. Optimized feedback and return force prevents accidental presses and allows for smooth, consistent action. Carefully crafted experience The key sound, stiffness and texture provide a stable and quiet typing experience with optimized grip.