UPERFECT mini Bluetooth keyboard maximizes user experience and device compatibility. When processing documents or some work that requires text input, the keyboard solves the problem of typing and improves work efficiency. Comes with three Bluetooth signals and a 2.4G wireless receiver, which can connect four devices at the same time. Compatible with multiple different systems (Windows/Android/Mac/IOS/Chrome OS...), covering various common device systems in multiple directions, bringing convenience to customers.