南宫ng·28(中国)官方入口

What should I do if I can't hear the voice of the caller during a call?
a) Some smartphones receive calls with the phone instead of the earbuds by default. You need to operate your smartphone to switch the call to your earbuds.
c) Adjust the volume of your connected Bluetooth device.
d) Try to reset the earbuds and reconnect to your Bluetooth device.