1. Project background: briefly introduce the background of the Bluetooth test project you participated in, including the purpose, scope, time period, responsible module, etc.
2. Problem solving: Describe in detail the problems and difficulties you encountered in the project, and how you solved these problems, such as how to find out the reasons for the test failure, how to analyze and debug the test results, etc.
3. Test plans and use cases: explain how you make test plans and use cases in the project to ensure the comprehensiveness and reliability of the test, such as how to design test cases and how to evaluate test risks.