" any device, any operating system - Bluetooth 5.0, Bluetooth 3.0 and 2.4GHz wireless keyboard, three modes, can sync up to 3 devices, even with different systems operation, and easily switch between them with each separate mode just by clicking "Fn + 1/2/3". You can work seamlessly with Windows, Mac, Chrome OS, Android, iOS, and even Apple TV. Quiet Typing - Quiet Bluetooth wireless keyboard provides silent typing and will not make you stand out under any circumstance. This wireless Bluetooth keyboard is typed effortlessly, satisfying your finger comfort in a fast-paced workplace. Ultra Thin & Rechargeable - The Bluetooth keyboard is compact (30 x 12 x 1.4cm), light and thin that you can take it anywhere and type wherever you want. Its automatic standby mode and on / off switch saves energy to guarantee 1-2 months of heavy use, and it takes 2-3 hours for a single charge. Ergonomic Design - This wireless keyboard features a sleek design and responsive scissor switches for fast and efficient typing. The low profile keys which are extraordinary to the touch have enough travel to ensure a feel when typing. A wireless keyboard with dedicated special Fn function keys giving you the functionality of an iPad / iMac and the productivity of a laptop computer but the flexibility of a tablet. Great Compatibility - Bluetooth 3.0 mode works with Win 7 / Win 8 / Win 10 / Android / Mac OS System; Bluetooth 5.0 mode works with Win 8 / Win 10 / Android / Mac OS (not with Win7 / XP); 2.4G wireless mode works with any device that has USB interface, just plug in and play. Note: iOS (iPad and iPhone) is supported via Bluetooth 5.0 mode, but must be iOS 13 or higher. "