The easiest way to use Bluetooth (BLE )in ios, anyone can use it. Simple and easy-to-use Bluetooth library, based on CoreBluetooth package, and compatible with iOS and Mac. A lightweight open source library encapsulated based on the native CoreBluetooth framework can help you use the CoreBluetooth API more easily. All methods of CoreBluetooth are completed by delegation, the code is redundant and the order is messy. BabyBluetooth uses the block method to reorganize the code according to functions and order, and provides many methods to reduce the amount of code in the Bluetooth development process. Chain method body, the code is more concise and elegant. Distinguish delegated calls through channel switching, and facilitate switching. Complete documentation, and the project is active, constantly updated.