Perfect for Traveling: Folding Bluetooth keyboard design provides more convenience. Standard-size keyboard improves typing efficiency and comfortable when working outdoors or in travel. Silent typing design allows you to focus more on your work. Strongly recommend authors and editors use this folding keyboardPortable Ultra-Slim Laptop Keyboard: With a 9mm slim thickness, you can fold it in pockets and carry this folding keyboard for the laptop along to process the documents anytime. Automatic on/off function and one-button connection design makes operation easyLarge-capacity Battery: The built-in large-capacity lithium battery allows you to work continuously for 40 hours or standby for 180 days, enough for the entire short-term business tripMulti-system Compatible Keyboard: Built-in BT mode, it can provide 10 meters operating range for tablets, laptops, pc, and smartphones. Bluetooth Keyboard for Android and iOS devices. Automatically connect your device after the first connectionScissors And Ergonomic DesignDurable Scissor-Switch Ergonomic keyboard provides better tactile response and a very comfortable typing experience without missing a key. The keyboard is designed according to human typing manner, allowing the arms to naturally spread out to the sides to avoid wrist painSpecification:Main material: ABS plasticNumber of keys: 67 keysInterface standard: Bluetooth 3.0Battery specification: 80mAhWorking voltage: 3.0~4.2VButton lifetimes: 3 million clicksEffective use distance: 10 metersCombined size: 150*58*10mmExpanded size: 286*89*05mmProduct weight: 0.136kgSystem support: support for iOS, Android, Windows system, suitable for smartphones and relatively light tablet computersCompatible with:UniversalPackage included:1 x Folding Bluetooth Keyboard1 x English User ManualOther items not included