Welcome to the "Haike Museum Mobile Guide" APP. This application is a software designed by the National Ocean Science and Technology Museum for the general public. The service content of this application includes: (1) Positioning guide: Real-time detection of your location, and provide path guidance function. Please turn on the Bluetooth device and use it in the museum! (2) Self-directed viewing: Provide you with themed guided tour or set the visiting time by yourself, will provide you with a