Connection method of wired speaker: firstly, connect the audio to the power supply through the charger, and then insert the 3.5mm plug of the audio into the earphone interface of the mobile phone.

Bluetooth audio connection method: first turn on the audio Bluetooth switch, then go to mobile phone settings-Bluetooth-Turn on Bluetooth and search for audio connection.

Note: There are many kinds of stereos on the market, and some of them may not be compatible with vivo phones. It is recommended to consult the merchant first or test it yourself to confirm that it can be used before buying.