1, long press the setting key to enter the pairing interface, continue to deflate the left front wheel, see the number on the left front, short press the setting key to save;
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2. Press the switch key to deflate the right front wheel. After the number comes out, press the set key to save;
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3, continue to press the switch key, the air discharge action in turn, until the last one is the left rear wheel;
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4. When the left rear wheel comes out with a number, long press the setting key to complete the pairing.