Wireless Keyboard for Mac: Compatible with Mac OS 10.10 or later, for MacBook, MacBook Pro, MacBook Air, Mac Pro, Mac Mini, iMac, iMac Pro etc 2.4G Receiver Dual Interface: Type-C interface and USB A interface for you to choose, easy plug and play, compatible with All Mac devices!!! NOTE: if use the Type-C interface, the USB A port MUST be plugged into the Type-C port first BT1 & BT2 Bluetooth Channel Switch Up to 2 Devices: Can connect two different devices simultaneously through dual Bluetooth channels, press the key BT1 or BT2 to easily switch to the connected device Metal-Clad DurabilityPrecision-engineered high-density forged metal frameadds rigidity and stability during typing, while keeps the keyboard ultra-thin( only 0.18 thick ) design for lightweight, with a balanced feel for all-day use Adjustable Backlit & Rechargeable: With 7 color backlight and 3 adjustable brightness levels, allows you to type comfortably in any environment. Built-in rechargeable battery u