1Bluetooth 5.1: Multi device Bluetooth keyboard supports simultaneous connection of 3 devices with the latest Bluetooth 5.1 wireless technology, seamless switching without delay. 2Compatible: Multi system compatible, supports both for OS X, for iOS, for Windows, for Android, etc. System devices such as for IOS tablet, for IOS Phone, etc. Work seamlessly together to maintain a stable connection. 3Quick Pairing: Just press the connect button to quickly pair with your device, unfold and close to automatically switch on and off and reconnect, and fold into a pocket or backpack to take with you. 4Quiet Keys: Standard size design provides accurate, fast typing with quiet keys so you can focusing on your work, perfect for travel and business trips. 5PU Leather: Hard wearing PU leather with a fine, comfortable feel is perfect for your laptop and desktop. Built in lithium battery for 90 hours of continuous operation or 90 days of standby. Item Type: Foldable Bluetooth Keyboard Material: ABS, PU Connection Mode: Wireless Bluetooth 5.1 Wireless Distance: Approx. 8meter / 26.2ft Number of Keys: 65 Keys Key Structure: Scissor Foot Charging Interface: Type C System Support: For OS X, for iOS, for Windows, for Android, etc. Battery Type: Built in 90mAh Lithium Ion Battery Usage Time: 90H Standby Time: 90 Days 1 x Foldable Bluetooth Keyboard (Ship with Inbuilt Battery) 1 x Data Cable 1 x User Manual