• Ambient listening Mode
1. Press and hold for two seconds to turn on the device, with a voice
prompt: "Power on."
2. Then, the device will automatically enter the Ambient listening mode.
3. Press the button to increase the ambient volume.
4. Press the button to lower the ambient volume.
* The C52 offers 5 levels of ambient sound adjustment, with the pick-up noise reduction
effect remains effective throughout device usage.
11. OPERATION INSTRUCTIONS
1. Ambient listening Mode active
2. Bluetooth active
3. FM Radio active
4. Battery Level Indicator.
5. Main Display Area: Shows device status, volume adjustment, current FM
frequency, and other information.
6. The Device Enter FM Radio Mode
7. FM Tuning
8. FM Collection
9. FM Station Retrieval