Rexing FM3 - Charging Port Descriptions; Frequently Asked Questions and Troubleshooting; Noise Problem Solutions

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4.Voice assistant
• Double-click the switch key to start the voice assistant.
• Double-click the switch key to exit the voice assistant.
5.QC3.0 charging port description
• For devices that do not support QC3.0 fast charging, the maximum output is
5V/2.4A.
• Smart devices that support QC3.0 fast charge, meet QC3.0 fast charge protocol:
DC 3.6-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A.
6.Type-C charging port description
• For devices that do not support PD fast charging, the maximum output is 5v/2.4A.
• Devices that support PD fast charging, meet PD 18W fast charging protocol:
DC5V/3A, 9V/2A, 12V/1.5A. (Please use C to C data cable, or C to C lighting data
cable to insert and use).
7. Frequently Asked Questions (Block Diagram)
7.1. Noise problem
Solution:
A. Reduce the volume of the speaker by one third and increase the volume of
the smart device.
B. Signal interference. Please switch to another empty white frequency point.