[Seamless Two-Fold Design]Full-size keyboard with seamless two-fold design, allowing for comfortable touch typing and a sleek, modern appearance. [Multi-Device Compatibility]Supports connection to multiple devices across various operating systems including Windows, Android, iOS, for macOS, and HMS. [One-Touch Device Switching]Effortlessly switch between connected devices with a single key press, enhancing productivity and workflow. [Premium Build Quality]Features high-grade PU leather bottom cover and ABS construction for durability and a luxurious feel. [Long-Lasting Battery Life]Enjoy up to 80 hours of continuous use and 90 days of standby time with the built-in 180mAh lithium battery. [Compact Portability]Folds into a compact size of 153.1*122.5*18.9mm, making it easy to carry in bags or pockets for on-the-go productivity. Specifications: Model: DF010 Material: ABS + PU leather Dimensions: 285*122.5*9.35mm (open), 153.1*122.5*18.9mm (folded) Connectivity: Bluetooth 5.1 Battery: 180mAh lithium battery Number of Keys: 79 Key Layout: US Operating Voltage/Current: 3.3~4.2V / <3mA Standby/Sleep Current: <0.5mA / <10μA Usage Time: Up to 80 hours Standby Time: 90 days Charging Port: Type-C Key Structure: Scissor mechanism Supported Systems: Windows, Android, iOS, for macOS, HMS Weight: 257g (keyboard only)