B. While music playing, single press for music play or pause,
Double click to redial the last number in address book. Long press
to wake up Siri voice assistant
3.Charge:
1) The earphone is with a built-in lithium-ion polymer battery, needs
about 3 hours for full charge at the first time. (Charging voltage
5V, current 0.5A~2A)
2) The indicator turns long red while charging; turns blue while full
of charge
3) Please stop using it while charging
4.Pairing:
1) Turn on the earphone, LED indicator flashes blue and red
alternately, enter pairing mode
