Folding Multi-Device Bluetooth Keyboard: This foldable Bluetooth 5.1 keyboard offers a highly stable and fast connection, significantly enhancing connection reliability compared to most other Bluetooth keyboards. With its multi-device function, you can seamlessly switch between three devices at the touch of a button without the need for constant reconnection, making it an ideal choice for multitaskers. Pocket-Sized and Portable: Weighing just 178g, this compact keyboard easily folds into a pocket or backpack, making it highly portable for on-the-go use. Its strong magnetic closure prevents accidental opening, ensuring the keyboard stays securely closed when stored. Additionally, the automatic on/off and reconnection feature provides quick and convenient operation, allowing you to start typing immediately. Elegant Design and Long-Lasting Rechargeable Battery: Featuring an elegant, wear-resistant frosted surface with a modern style, this keyboard not only looks great but also feels premium to the touch. The built-in lithium battery supports 40 hours of continuous use or up to 60 days in standby mode. A full charge ensures enough power for short business trips or vacations, making it a reliable companion for extended use. Universal Compatibility Across Devices: The Bluetooth foldable keyboard is designed for versatility, supporting a wide range of devices, including mobile phones, tablets, laptops, and desktops running iOS, Android, Windows, and Mac OS.