Portable and Innovative Design - A keyboard that will fit into your pocket or bag to carry around without bulky appearance and close to no additional weight. Featuring an innovative magnetic switch to turn on and off the keyboard by opening and closing the keyboard Lightweight and Ergonomic - Ultra-thin portable foldable keyboard with ergonomic split design that promotes a natural typing angle and scissor-switch technology that offers quiet typing and comfortable typing feeling Wireless Bluetooth Technology - Maintain a stable connection that work seamlessly with multiple operating systems and no cable hassle with Bluetooth 5.1 wireless technology. Convienently Recharable - Built-in rechargeable lithium battery that last 36 hours with continuous typing / standby mode up to 30 days Universal Compatibility - Easy Bluetooth connect for devices with Bluetooth 5.1 connection ready System Requirements - Windows 7, 8, 10 and above, iOS, iPad iOS, Android. Dimensions - 12.94 x 3.8 x 0.23 in