2Boom EPBT645 - Specification; Built-In Battery; Control Function; Making a Call with the Bluetooth Earphone in Bluetooth Mode

Control Function
Function Button
Volume up long press on the “+” button to increase the volume
Volume down long press on the “-” button to decrease the volume
Play/Pause A short press on the MF/phone button to Play /pause
Previous track short press on the “-” button to return the previous track
Next track short press on the “+” button to the next track
Making a call with the Bluetooth Earphone in Bluetooth mode Basic operation
Function Operation Button
Answer a call Incoming Call
Press the MF/phone button once to answer incoming call
Reject a call Incoming Call
Long Press the MF button for 2 seconds
End a call Incoming Call
After your phone conversation, short press the MF button.
Redial last number Standby mode and
connected to a device
Short press the MF button twice
Please Note
• Not all mobile phones support all the functions listed above. Please refer to your cell phone’s
user’s manual for further information.
• Certain functions and indication tone maybe vary depending on your mobile phone.
Specification:
Operating distance
32.8ft
Frequency range
2402-2480MHz
Working time
2.5-3.5 hours
Charging input voltage
DC 5V
Charging time
1-2 hours
Built-In Battery
3.7V/55mAh