Compact & Fashionable Bluetooth Keyboard: This wireless typewriter-style keyboard features 84 round keys. It's compact, portable, and inspired by retro typewriters with unique round keycaps. Simply press FN + C to enter Bluetooth mode. Ergonomic Design: Enjoy quiet and comfortable typing with button noise reduction technology. The long-lasting battery provides up to one week of use on a single charge (8 hours a day). Intelligent Power Saving: The keyboard automatically enters sleep mode after 15 minutes of inactivity, disconnecting Bluetooth to conserve power. Long-Range Wireless Connection: Experience a fast and reliable connection up to 10 meters away with 2.4 GHz wireless technology, virtually eliminating dropouts and delays. Wide Compatibility: This portable 84-key Bluetooth keyboard features 12 multimedia key combinations for convenient operation. It's compatible with Android, Windows, and iOS systems, with shortcut keys (FN + Q / W / E) for easy switching.