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Icon Description
1. Monitoring port : Designed for 3.5 TRS or TRRS
headphones
2. Audio output port : Connect to other devices for
audio recording via 3.5 TRRS connector
3. Volume “+” control key : When powered on, press
to increase volume
4. Power button / coding key : Press for 2 seconds to
turn on or off or press 3 times when powered on to
enter coding mode
5. Volume “-“ control key : When powered on, press
to decrease volume
6. Charging port : Designed for USB Type-C, input
5V1A