1. Introduction
Thank you for choosing the KZ Carol Pro ANC True Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features such as Active Noise Cancellation, high-resolution audio decoding, and a comfortable ergonomic fit. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

2. Package Contents
- KZ Carol Pro ANC True Wireless Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- Multiple Sizes of Ear Tips (L, M, S)
- User Manual (this document)

3. Setup
3.1 Initial Charging
- Place both earbuds into the charging case.
- Connect the charging case to a power source using the provided USB Type-C cable.
- The indicator light on the charging case will show charging status. Ensure the earbuds and case are fully charged before first use.
3.2 Pairing with a Device
- Open the charging case. The earbuds will automatically enter pairing mode (indicator lights on earbuds will flash).
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "KZ Carol Pro" in the list of available Bluetooth devices and select it to connect.
- Once connected, the indicator lights on the earbuds will stop flashing.
3.3 Dual Device Smart Connection
The KZ Carol Pro supports simultaneous connection to two devices. After pairing with the first device, you can pair with a second device. The earbuds will intelligently switch between devices based on audio playback, allowing for seamless transitions without manual disconnection and reconnection.
3.4 Fitting the Earbuds
For optimal sound quality and noise cancellation, it is crucial to choose the correct ear tip size and ensure a secure fit.
- Select the ear tips (L, M, S) that provide the best seal and comfort for your ears.
- Gently insert the earbuds into your ear canal and twist slightly to secure them.

4. Operating Instructions
4.1 Touch Controls
The KZ Carol Pro earbuds feature intuitive touch controls. Note: Some functions may vary by device.
| Action | Control |
|---|---|
| Play/Pause | Tap once (either earbud) |
| Next Song | Tap the right earbud twice |
| Previous Song | Tap the left earbud twice |
| Answer/Hang up Call | Tap once (either earbud) |
| Reject Incoming Call | Long press for 2 seconds (either earbud) |
| Activate Voice Assistant (Siri) | Long press the right earbud for 2 seconds |
| Switch ANC/Transparency/Standard Mode | Long press the left earbud for 2 seconds |
| High-Performance Mode | Tap three times (either earbud) |

4.2 Active Noise Cancellation (ANC)
The KZ Carol Pro features 6-microphone hybrid ANC technology, providing up to -55dB noise cancellation depth. This allows you to immerse yourself in your audio by effectively reducing environmental noise.

4.3 Call Noise Cancellation
Equipped with AI Call Noise Cancellation Technology, the earbuds accurately capture and separate human speech from environmental noise (360°), ensuring clear conversations even in noisy environments.

4.4 Audio Modes for Different Scenarios
The earbuds offer four distinct modes to optimize your listening experience:
- High-Performance Mode (Gaming): Designed for esports and gaming, providing optimal sound clarity and minimal latency (55ms ultra-low latency) for an immersive experience.
- Noise-Cancellation Mode (Commuting): Ideal for noisy environments like stations or outdoors, effectively reducing external noise for a focused listening experience.
- Transparency Mode (Office Conversations): Perfect for everyday conversations, allowing you to hear your surroundings while still enjoying your audio content.
- Standard Mode (Indoor Settings): Suitable for various types of music, offering balanced sound for indoor listening.

4.5 Video Demonstration
5. Maintenance
5.1 Charging
The earbuds provide approximately 7 hours of playback on a single charge, and the charging case extends the total battery life to about 35 hours. The charging case has a 300mAh capacity, and each earbud has a 40mAh battery. Use the provided Type-C cable for charging.

5.2 Cleaning
- Regularly clean the ear tips and earbud surfaces with a soft, dry, lint-free cloth.
- Remove ear tips and clean any earwax or debris from the earbud nozzles using a small brush or cotton swab.
- Ensure the charging contacts on both the earbuds and the case are clean and dry to prevent charging issues.
5.3 Storage
When not in use, store the earbuds in their charging case to protect them from dust, damage, and to keep them charged. Avoid exposing the earbuds to extreme temperatures or direct sunlight.
5.4 Water Resistance
While the product title mentions "waterproof", the detailed specifications indicate that the earbuds are not fully waterproof for immersion. They are designed to be resistant to splashes, sweat, and light rain, making them suitable for workouts and outdoor activities. Avoid submerging the earbuds in water or exposing them to heavy rain.
6. Troubleshooting
6.1 Earbuds not pairing or connecting
- Ensure both earbuds are charged and removed from the charging case.
- Turn off and on Bluetooth on your device.
- Forget "KZ Carol Pro" from your device's Bluetooth list and try pairing again.
- If only one earbud is connecting, try resetting the earbuds (refer to the manufacturer's website for specific reset instructions if not in this manual).
6.2 Poor sound quality or low volume
- Check the earbud fit and try different ear tip sizes for a better seal.
- Clean the earbud nozzles to remove any obstructions.
- Ensure your device's volume is turned up.
- Check the audio source quality.
- Ensure the earbuds are within the Bluetooth range (approx. 15m).
6.3 Active Noise Cancellation not effective
- Ensure ANC mode is activated (long press left earbud for 2 seconds).
- Check the earbud fit; a good seal is crucial for effective ANC.
- Ensure the microphones are not obstructed or dirty.
6.4 Charging issues
- Ensure the USB Type-C cable is securely connected to both the case and the power source.
- Try a different charging cable or power adapter.
- Clean the charging contacts on both the earbuds and the case.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | KZ |
| Model | Carol Pro |
| Category | Earphones & Headphones |
| Communication | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Wireless Type | Bluetooth |
| Connectors | Type-C (for charging case) |
| Codecs | AAC, SBC, LDAC |
| Vocalism Principle | Dynamic (Super-Linear High-Sensitivity In-Magnet Driver) |
| Active Noise-Cancellation | Yes (Hybrid, -55dB depth) |
| Microphones | Yes (6-microphone call noise cancellation) |
| Control Button | Yes |
| Volume Control | Yes |
| Earphone Battery Capacity | 40mAh (approx. 7H playback) |
| Charging Case Battery Capacity | 300mAh (approx. 35H total battery life) |
| Bluetooth Range | Approx. 15m |
| Material | Metal |
| Waterproof | No (Splash/sweat resistant, not submersible) |
| Certification | CE |
| Origin | Mainland China |



8. User Tips
- Optimal Fit: Experiment with all included ear tip sizes to find the best fit. A proper seal significantly enhances both sound quality and active noise cancellation performance.
- Charging Regularly: To maximize battery longevity, avoid completely draining the earbuds and charging case. Charge them regularly, especially if you don't plan to use them for an extended period.
- Water Resistance Clarification: While the product is designed to withstand splashes and sweat, it is not fully waterproof. Avoid submerging the earbuds in water or exposing them to heavy rain to prevent damage.
- Firmware Updates: Check the KZ official website periodically for any available firmware updates for your Carol Pro earbuds. Updates can improve performance, add features, or fix bugs.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official KZ Global Factory Store website or contact their customer service directly. Keep your proof of purchase for any warranty claims.





