1. Introduction
Welcome to the CARPBABA A7Pro ENC True Wireless Bluetooth Earphones user manual. These earphones are designed to provide a superior audio experience with advanced features such as Environmental Noise Cancellation (ENC), HiFi surround sound, and low latency. With Bluetooth 5.3 connectivity, they offer stable and efficient pairing with both iPhone and Android devices. Please read this manual carefully to ensure proper use and maintenance of your new earphones.
2. Package Contents
Please check the package for the following items:
- CARPBABA A7Pro ENC True Wireless Earbuds (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual
- Ear Tips (various sizes, if included)
3. Product Overview
Familiarize yourself with the components of your A7Pro ENC earphones and charging case.

Figure 3.1: A7Pro ENC Earbuds and Charging Case (White) highlighting Bluetooth 5.3, ENC call noise reduction, HiFi surround sound, long-lasting battery life, and 5 hours of listening time.

Figure 3.2: Front view of the A7Pro ENC earbuds in their charging case, showing the indicator light.
Earbud Features:
- Control Button: For playback, call management, and ANC control.
- Microphone: For calls and voice assistant.
- Ear Tip: Ensures a secure fit and optimal sound isolation.
Charging Case Features:
- Charging Port: For connecting the USB charging cable.
- LED Indicator: Shows charging status and battery level.
- Earbud Slots: Securely holds and charges the earbuds.
4. Setup
4.1 Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the USB charging cable to the charging port on the case and to a power source (e.g., USB wall adapter, computer USB port).
- The LED indicator on the charging case will illuminate to show charging status. A full charge is indicated when the light changes or turns off (refer to specific LED behavior in the specifications).
- Allow approximately 1-2 hours for a full charge of both the case and earbuds.
4.2 Pairing with Your Device
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically enter pairing mode (the LED indicator on the earbuds or case may flash).
- On your smartphone or Bluetooth-enabled device, go to Bluetooth settings.
- Search for available devices and select "A7Pro ENC" from the list.
- Once connected, you will hear a confirmation tone, and the LED indicator will stop flashing.
- If pairing fails, turn off Bluetooth on your device, close the case, wait a few seconds, then repeat the steps.
5. Operating Instructions
The A7Pro ENC earphones feature control buttons for easy management of audio and calls.
5.1 Power On/Off
- Power On: Open the charging case, and the earbuds will automatically power on. Alternatively, press and hold the control button on each earbud for a few seconds.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging. Alternatively, disconnect them from Bluetooth and they may power off after a period of inactivity, or press and hold the control button on each earbud for a few seconds.
5.2 Music Playback
- Play/Pause: Single press the control button on either earbud.
- Next Track: Double press the control button on the right earbud.
- Previous Track: Double press the control button on the left earbud.
5.3 Call Management
- Answer/End Call: Single press the control button on either earbud.
- Reject Call: Press and hold the control button on either earbud for 2 seconds.
5.4 Active Noise Cancellation (ANC) / Environmental Noise Cancellation (ENC)
The A7Pro ENC earphones feature Active Noise Cancellation for an immersive listening experience and Environmental Noise Cancellation for clear calls.
- Toggle ANC Mode: Triple press the control button on either earbud to cycle through ANC On, Transparency Mode (if available), and ANC Off.
- ENC Call Noise Reduction: This feature is automatically active during calls to ensure clear voice transmission by reducing background noise.
5.5 Voice Assistant
- Activate Voice Assistant: Press and hold the control button on either earbud for 3 seconds (when not on a call) to activate your device's voice assistant (e.g., Siri, Google Assistant).
6. Maintenance
6.1 Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Gently remove any earwax or debris from the ear tips and speaker mesh using a small, soft brush or cotton swab.
6.2 Storage
- When not in use, always store the earbuds in their charging case to protect them and keep them charged.
- Store the device in a cool, dry place, away from extreme temperatures and direct sunlight.
6.3 Battery Care
- To prolong battery life, avoid fully discharging the earbuds and charging case frequently.
- Charge the device regularly, even if not in use, to prevent deep discharge.
7. Troubleshooting
If you encounter any issues with your A7Pro ENC earphones, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing | Low battery, out of range, pairing mode not active, previous connection issue. | Ensure earbuds are charged. Place them back in the case, close, then open to re-enter pairing mode. Turn Bluetooth off/on on your device. Forget the device in Bluetooth settings and re-pair. |
| No sound from one earbud | Low battery, earbud not properly connected, individual earbud pairing issue. | Check battery level of both earbuds. Place both earbuds in the case, close the lid, then open again. Try resetting the earbuds (refer to manufacturer's instructions for specific reset procedure, if available). |
| Charging case not charging | Faulty cable, power source issue, dirty charging port. | Try a different USB cable and power adapter. Ensure the charging port is clean and free of debris. |
| ANC not working effectively | Improper fit, ANC mode not activated. | Ensure earbuds are securely fitted in your ears. Try different ear tip sizes for a better seal. Confirm ANC is activated (triple press control button). |
| Low volume | Device volume too low, earbud speaker blocked. | Increase volume on your connected device. Clean the earbud speaker mesh. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand Name | CARPBABA |
| Model | A7Pro ENC |
| Category | Earphones & Headphones |
| Material | Plastic |
| Communication | Wireless |
| Wireless Type | Bluetooth |
| Bluetooth Version | 5.3 |
| Active Noise-Cancellation | Yes |
| Environmental Noise Cancellation (ENC) | Yes (for calls) |
| Volume Control | No |
| Control Button | Yes |
| Vocalism Principle | Balanced Armature |
| Listening Time | Up to 5 hours |
| Origin | Mainland China |
| High-concerned chemical | None |
| Package Length | 10 cm |
| Package Width | 9 cm |
| Package Height | 3 cm |
| Package Weight | 0.09 kg |
9. User Tips
- Optimal Fit: Experiment with different ear tip sizes to find the best fit for your ears. A good seal is crucial for effective noise cancellation and sound quality.
- Regular Cleaning: Keep the charging contacts on both the earbuds and the case clean to ensure consistent charging.
- Firmware Updates: Check the manufacturer's website or app (if available) for any firmware updates that might improve performance or add new features.
- Environmental Awareness: When using Active Noise Cancellation, be mindful of your surroundings, especially in traffic or other situations where awareness is important.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your retailer/seller directly. Keep your proof of purchase for any warranty claims.





