–high-quality MP3 module is embedded, supporting MP3 format audio files
–Built-in 20W waterproof speaker sounds loud and clear
–Built-in clock time switch function
–Remote wireless control function available – able to set the period of volume, custom switch machine time and other functions via remote handheld device.
–Support manual volume adjustment function, which can be adjusted according to various occasions; can be customized for automatic 7-level volume
