Thanks.
Premise
Make sure the Bluetooth system for your phone and headset is working properly
Turn on the headset power and enter the Bluetooth connection state according to the instructions. Open the Settings on the mobile phone, click Bluetooth, find the Bluetooth device of the headset below (see the manual label or headset model), click match.
It is recommended to use Bluetooth headphones of the local brand
Other brands may conflict with the device or have glitches