1, Hi Simba audio is a kind of Bluetooth audio. First, you need to make sure that your mobile phone and Bluetooth stereo are turned on and searchable. If your Bluetooth stereo needs a password to connect, you need to know the password in advance.

2. Open the cool dog music: Open the cool dog music application on the mobile phone. Next, you need to go to the Settings menu.

3. Select a Bluetooth device: In the settings menu, you can see the Bluetooth option. Click on it, and then you will see a list showing all available Bluetooth devices. Select the Bluetooth stereo system you want to connect from the list.

4. Connect a Bluetooth device: Once you select a Bluetooth stereo to connect, you will be prompted to enter a password (if necessary). After entering the password, the system will start to connect the Bluetooth device. Once the connection is successful, you will receive a prompt message.