Features: 1.Free from Wiring: Supports 5.1 Bluetooth connection, the wireless keyboard ensures 8-10m working distance that is free of wiring constriction. 2.Low Noise Typing: The Bluetooth keyboard allows for low noise typing, and the comfortable freely flowing typing will improve your efficiency. 3.Wide Compatibility: For Windows system, for Android system and for iOS system, also highly compatible with various phone, tablet, PC and so on. 4.The Working Tips: For iOS and for Windows systems, use Fn and function keys for shortcuts. For Android system, use Fn and Shift and function keys for shortcuts. 5.Simpler Carrying: Able to be folded into a smaller size, the lightweight 2 fold keyboard is very convenient to carry for other works. specification:Item Type: Foldable Bluetooth Keyboard Material: ABS Bluetooth: 5.1 Working Distance: Approx. 8 ~ 10m / 26.25 ~ 32.81ft Built in Polymer Lithium Battery: 90mAh Sleep Time: 10 Minutes Connection: Supports Multiple Device Connections PackageList:1 x Foldable Bluetooth Keyboard 1 x Charging Cable 1 x User Manual