The helmet ("Helmetphone" or "Helmet Headset" or "BH60" or "BH100") cannot be searched for after entering Settings -> Bluetooth through an Apple iPhone？

1> Another mobile phone nearby is connected to this device. Turn off the Bluetooth of this mobile phone first.

2> Ignore the above paired device or delete it from the list.

3> If the problem persists, turn off the Bluetooth, restart it, and refresh the searched device list.

4> If the problem persists, restart the helmet, and long press the on/off key to enter pairing status.

5> If the problem persists, restart the mobile phone and try again.