Yyk525 User Manual Exclusive File

| Problem | Likely Cause | Solution | |---------|--------------|----------| | No display | Dead battery / AC unplugged | Charge/replace battery or check adapter | | “EEEE” | Overload | Remove weight immediately | | Unstable reading | Vibration or airflow | Move to stable surface | | “Lo” | Low battery | Recharge/replace |

: If the headset is not used for more than one month, charge it regularly to maintain battery health.

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Use the dedicated mute button during a call to block your audio from the listener. Volume Adjustment: +/- buttons located on the headset. Voice Assistant:

If the headset will not connect, only plays from one side, or behaves erratically, perform a hardware reset: | Problem | Likely Cause | Solution |

: The headset turns on automatically when removed from the case and turns off when placed back in.

: On your device (phone, tablet, or PC), go to Bluetooth settings and turn it on. Search & Connect : Scan for new devices and select Voice Assistant: If the headset will not connect,

Activate pairing mode by turning on the headset; the indicator light will flash red and blue alternately. Open your device's Bluetooth settings and select If prompted for a password, enter Multifunction Key (MFB) Controls Answer/Hang Up Call : Click the switch button once. Refuse Call : Double-click the switch button. Voice Assistant (Siri/Google) : Long-press the on button for 1 second. Mute Microphone : Press and hold during a call. : Press and hold during a call. Music Play/Pause : Click the switch button once. Charging Instructions Hilitand YYK-525 Wireless Business Headset User Manual