Soundcore Liberty 4 Earbuds

Core Features:

1. Reset Functionality:

   • Simple Reset: Place earbuds in the charging case, leave the case open, press and hold the button for 10 seconds until the LED indicators flash white rapidly three times.
   • Advanced Reset: Forget the Bluetooth pairing, place the earbuds in the case, press the button for 3 seconds until the LED inside flashes, then re-pair.

2. Connectivity:

   • Bluetooth Version: Supports seamless pairing with devices.
   • Dual Connections: Enables connection with two devices for easy switching.

3. Audio Capabilities:

   • Audio Codecs: SBC, AAC, and LDAC for high-resolution audio quality.
   • Spatial Audio: Selectable through the app; movie and music modes for customized sound distance.
   • Noise Cancellation: Adjustable ANC with personalized noise cancellation through the HearID test.

4. Battery Life:

   • Normal Mode: Up to 9 hours per charge, 28 hours with the case.
   • Noise Cancelling: Up to 7 hours per charge, 24 hours with the case.
   • Transparency Mode: Up to 7 hours per charge, 24 hours with the case.
   • Call Time: Up to 5 hours per charge, 15 hours with the case.
   • Charging Time: 1 hour for earbuds, 2 hours for the case.
   • Wireless Charging: Supported by the case.

5. Fitness and Wellness:

   • Heart Rate Sensor: Integrated in the right earbud for continuous monitoring when paired with the app.
   • Stress Detection: Real-time stress level tracking available through the app.
   • Soundcore Wellness: Customizable data tracking for fitness use; requires personal setup in the app.

6. Other Capabilities:

   • Automatic Calibration: Ensures accurate heart rate measurement.
   • Optical Sensor: Safe for continuous use, measuring subcutaneous blood flow.

Troubleshooting and Tips:

• Recharging Issues: Ensure the charging case has power and clean the charging pins with a dry cloth.
• Sound or Pairing Issues: Reset or forget the device from Bluetooth settings, close the case, and retry pairing.
• Disconnection: May occur in busy environments; solutions include downloading content instead of streaming and limiting background app traffic on Android devices.

Safety and App Use:

• Wellness Data: For personal fitness, not for medical diagnostics.
• Red Light Indicator: The right earbud lights up red when measuring blood oxygen.
• Continuous Monitoring: Can be disabled through the app to stop automatic heart rate and stress tracking.