Note: If you only put the left earphone back into the charging case, the right earphone will stay connected.
If you only put the right earphone into the charging case, the left earphone will disconnected and star pairing.
Mode 2 Without Charging Case
Touch either one earphone for 4 seconds to power off both earphones.
Incoming Call
Answer/End Call
Tap the Left/Right earphone once
Reject Call
Music