4) Tap the intended device to start the connection. Successfully
connected devices will be displayed on the list of Available media
devices with an "Active" prompt.
Before connecting to a Bluetooth device, you can select the Bluetooth
codec you like in the M11S. Here are the steps.
1) Go to the Settings->Audio menu.
2) Tap Bluetooth Audio Encoder-> choose the intended Bluetooth codec.
Disconnect the current connection and reconnect the M11S to the
Bluetooth devices.