Is the Bluetooth headset language conversion bar, try the following methods to debug the Chinese:
1. Press the volume button at the same time to switch to Chinese.
2, turn off the Bluetooth of the phone, then enter the pairing mode, click or double click the multi-function button or pause button.
3, when entering the pairing mode, double-click the volume button, hear a beep, it means that the successful switch between Chinese and English.
4, if the volume key of the Bluetooth headset is sliding, you need to press the sliding key inside twice. If it does not work, it is recommended to contact the after-sales service to solve the problem.