•XLR female plug: connected to a wired microphone.
•Screen: Real-time display of device operation status.
•“CH” key: Short press to switch frequency (572~596 MHz cyclic frequency switching).
•“VOL” key: Short press to switch volume (1-5 gear cycle switching), long press for 5 seconds to switch power supply mode (0V/5V/48V cycle switching).
•“POWER” key: Long press to turn on/off.
•Charging indicator light: It is displayed as a red light in charging status and automatically turns off when fully charged.
•Charging port: Type-c interface for charging.