1, should be set to a single ear mode, switch it to a binaural mode on it.
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2, Step 1: headset restore factory Settings, 2 headphones start at the same time long press the function key, after the power indicator light do not release continue to press 10-20 seconds and then release (do not let go in advance, it is very important)
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3, Step 2: Put the headset into the charging bin, click the power supply of the charging bin (both headphones are red to pick up the headset)
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4, Step 3: Power on long press 0.5-1 seconds, the light (headset voice prompt \"power on\") immediately release, search in the phone N1 click the link. (The N1 of the monaural pairing mode that starts to connect ignores this device first, if it is not clear which is the N1 of the monaural mode, ignore this device for both N1s and search for the N1 connection again)
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5, note: do not press the boot for too long, press too long will enter the single ear pairing mode
The one who couldn't hear didn't make the match.