1, first open the switch, generally speaking, if there is electricity to open the switch will have a prompt tone, if there is no reaction, it indicates that it may need to charge;
2, plug the smaller trapezoid connector into the stereo, plug the other end of the USB connector into the computer, you can charge, if there is a power adapter can be plugged into the socket for charging, charging the light will blink;
3, after charging, normal words can be used, first experience the Bluetooth function, with the mobile phone paired with it, long press the playback key on the stereo, according to the voice prompt, switch to Bluetooth mode;
4, then open the Bluetooth on the mobile phone, find the audio device, connect with it, after the successful connection, the audio will give us voice feedback, a Bluetooth driven computer can also try this method.