How to reset i9s TWS earbuds?

Please perform this step to reset i9s TWS earbuds:

Step 1: Deleted all “tws-i9s” from your phone's Bluetooth list, then press and hold down the multifunction button on two earphones at the same time until the indicator blinks blue and red alternately, you will hear a voice.

Step 2: Click on one side of the multifunction button for 2 seconds until you hear a voice “doo”, a voice reminding you of the word "connected" or "paired".

Step 3: Activate the Bluetooth phone and search for "tws-i9s" to connect. When the LED flashes slowly in blue, they have successfully paired together.

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