java蓝牙通讯文档API，有需要的朋友可以来参考-java Bluetooth communication document API, there is a need to refer a friend you can take a look at

这是一本很不错的无线电学习书籍。不过这是英文版的，阅读需要有六级以上的英语水平。-This is a very good learning Java books. But this is the English version, reading need six more English level.