1. Non-mandatory recovery method: Turn on the power of the headset, hold down the answer\/hang up key and the volume reduction key at the same time, about 8 seconds later, see two lights flashing at the same time, let go, restart the headset, and automatically enter the pairing state (blue light continues to blink), indicating that the factory Settings have been restored successfully.
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2, mandatory recovery method: First turn on the headset, and charge the Bluetooth headset for about 5-10 seconds, so that most of the Bluetooth headset will be forced to shut down when charging in the startup state, and enter the state of restoring factory Settings.