Is it because the Bluetooth of the mobile phone and the Bluetooth headset cannot find each other? You can refer to the following methods:
The mobile phone must first turn on Bluetooth and be in the discovered state. Press and hold the Bluetooth headset switch key until the mobile phone Bluetooth searches for the headset and displays the headset model, then click on the phone to display the headset model. The headset model is connected (sometimes you need to enter the PIN code, the default is usually "1234" or "0000"). If "Connected" is displayed, the connection is successful. At this time, you can release the headset switch key.
The effective distance of Bluetooth connection is within 10 meters. It must be kept within this distance during use. If it exceeds the range, the connection will be temporarily disconnected.
The following takes the Konaixin Bluetooth headset as an example to describe the specific steps to connect to the mobile phone for reference:
1. When the headset is turned off, press and hold the multi-function button for about 5 seconds Seconds, the voice prompts "Power on" and "Pairing", at this time the red and blue indicator lights flash alternately quickly;
2. Activate the Bluetooth function on the phone or other device, and then use the menu to "Add", " Search for "or scan" for new Bluetooth devices;
3. Select the Bluetooth model name (such as "Y4") from the Bluetooth device list of your mobile phone or other device and connect (if required to enter a password, please enter "0000"). After the connection is successful, the voice prompts "Bluetooth is connected". You can use the call function on your mobile phone or other device and listen to the audio on the device.