User Manual

Receiving a phone call..............................................................................23
Using the voice assistance feature on your smartphone................................24
Settings 25
About the app for earphones/headphones...................................................25
List of settings (main screen).................................................................... 26
List of product settings (menu).. ............................................................... 27
Automatically adjust the sound quality according to the volume....................28
Setting the auto-standby time.. ................................................................ 29
Updating the firmware.............................................................................30
Troubleshooting 31
Read this first.........................................................................................31
No sound can be heard............................................................................. 32
Your voice is hard to hear with the person to whom you are talking................33
Power will not turn on.. ........................................................................... 34
The product cannot be charged................................................................. 35
Cannot connect to a Bluetooth device.. ...................................................... 36
The product does not operate or play back..................................................37
The sound is distorted, noisy or choppy......................................................38
Problem Still Not Resolved (Customer Support).. ........................................ 39
Appendix 40
Specifications.........................................................................................40
List of operations.................................................................................... 41
List of indicator displays and audio messages..............................................42
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Contents