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Previous song: Press and hold the “-“ button.
Next song: Press and hold the“+“ button.
Answer Call: Short press the MFB to answer incoming calls.
End call: Short press the MFB to end calls.
Reject call: Long press the MFB to reject calls.
Battery Capacity status: When headphones are connected to iOS
devices, the headphone battery power status is displayed on the
upper right corner of the screen.
Charging: New headphones have enough power for pairing and
dialing out for several times. When the battery is low, please charge it
via USB cable for 2 hours. During charging, the red LED stays lit. Once
fully charged, the red LED turns blue.