Feature:1. Compact & Fashion Bluetooth Keyboard: This Typewriter wireless Bluetooth keyboard has 84 round keys. It is compact and easy to carry. The fashion shape is inspired by the retro elegant typewriter shape, the unique round keycap. Just press FN + C keys to enter Bluetooth mode.2. Ergonomic design: The wireless bluetooth keyboard uses button noise reduction technology to greatly reduce the key click sound. It can provide quiet and comfortable typing. And the battery life is long, it can last for one week on a single charge (8 hours a day without interruption).3. Intelligent Power Saving Design: No operation intelligent sleep mode, if there is no button operation for more than 15 minutes, the keyboard automatically goes to sleep, and Bluetooth is disconnected to save power.4. Long-rang Wireless Connection: Thanks to 2.4 GHZ wireless technology, the wireless Bluetooth keyboard provides fast, reliable connection up to 10m away, with virtually no dropouts or delays.5. Wide Compatibility: The Portable 84-Key Bluetooth keyboard has 12 multimedia keys combinations, it make user operations more convenient. And it can compatible with Android, Windows and IOS systems, and has shortcut keys (FN + Q / W / E) to switch among three systems.