How do I turn on the Solix Sx TWS9 Pinnacle earphones?
Hold the Multi-Function Button for 5 seconds to turn on the earphones. The earphones will automatically pair with each other and enter pairing mode, with either the LEFT or RIGHT earphone flashing red and green alternately waiting to be paired to a device.
From the official Solix Sx Tws9 Pinnacle True Wireless Earphones manual, page 2
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