CK Series Universal Bluetooth Keyboard with 7-Color BacklightCK Series Universal Bluetooth Keyboard with 7 Color Backlight This keyboard can be paired with up to 3 devices and switch between them easily by pressing one key. It is compatible with Windows, Android, iOS, iPadOS, MacOS, HarmonyOS systems, and most mobile phones, tablets and computers. The internal structure is clearly visible through transparent shell, each scissor switch key is coated with a layer of rubber process oil, with a fine surface and no