1. Introduction
The KZ VXS Pro are True Wireless Stereo (TWS) earphones designed for high-fidelity audio and low-latency gaming. Featuring Bluetooth 5.3 connectivity, a custom-designed 10mm dynamic driver, and a Qualcomm QCC5171 chip, these earphones deliver powerful performance with a 105dB signal-to-noise ratio. They offer two distinct performance modes for optimized audio and gaming experiences, along with CVC 9.0 for clear communication. The ergonomic design ensures comfort for extended wear, and while the product title mentions 'Noise Cancelling', it's important to note that these earphones provide passive noise isolation, not active noise cancellation (ANC).
Image: KZ VXS Pro TWS Earphones in charging case, highlighting key features.
Image: DSP processing for enhanced audio experience.
2. Package Contents
Please check the package for the following items:
- KZ VXS Pro TWS Earphones (Left and Right)
- Charging Case
- Charging Cable (Type-C)
- Replaceable Ear Pads Set
- User Manual (this document)
Image: Contents of the KZ VXS Pro package.
3. Specifications
| Feature | Detail |
|---|---|
| Brand Name | KZ |
| Product Model | VXS Pro |
| Category | Earphones & Headphones |
| Communication | True Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Chip | Qualcomm QCC5171 |
| Vocalism Principle | Hybrid Technology |
| Dynamic Driver | Custom-designed 10mm |
| Earphone Battery Capacity | 48mAh |
| Earphone Battery Life | Approximately 8 hours |
| Charging Case Battery Capacity | 400mAh |
| Charging Case Recharge Cycles | Approximately 4 times |
| Total Battery Life (with case) | Over 30 hours |
| Charging Interface | TYPE-C |
| Transmission Range | Approximately 15 meters |
| Frequency Response Range | 7 - 40000Hz |
| Sensitivity | 114±3dB |
| Resistance | 16Ω |
| Codecs | AAC (supports aptX Adaptive/aptX HD Audio/aptX/SBC) |
| With Microphone | Yes |
| Active Noise-Cancellation | No (Features passive noise isolation) |
| Volume Control | Yes |
| Control Button | Yes (Touch Control) |
| Waterproof | No |
| Support APP | No |
| Material | ABS |
| Certification | CE |
Image: Detailed product specifications.
Image: Qualcomm QCC5171 Bluetooth chip.
4. Setup
4.1 Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case. The charging case has a 400mAh battery capacity, capable of recharging the earphones approximately 4 times, providing over 30 hours of total battery life. Each earphone has a 48mAh battery, offering approximately 8 hours of usage on a single charge.
- Place the earphones into the charging case.
- Connect the provided Type-C charging cable to the charging port on the case and to a USB power source.
- The indicator light on the charging case will show the charging status. Once fully charged, the indicator light may change or turn off.
Image: Charging case with battery life indicators.
4.2 Bluetooth Pairing
The KZ VXS Pro earphones utilize Bluetooth 5.3 for fast and stable connections, compatible with approximately 99% of Bluetooth devices.
- Ensure the earphones are charged and placed inside the charging case.
- Open the lid of the charging case. The earphones will automatically enter pairing mode (or manually activate pairing mode if needed, typically by long-pressing a button on the case or earphones if they don't pair automatically).
- On your device (smartphone, tablet, computer), go to Bluetooth settings.
- Search for available devices and select "KZ VXS Pro" from the list.
- Once connected, you will hear a confirmation tone, and the earphones will be ready for use.
Image: Bluetooth 5.3 connectivity diagram.
5. Operating Instructions
The KZ VXS Pro earphones feature intuitive touch controls for various functions.
5.1 Touch Controls
| Action | Function |
|---|---|
| Single tap (either earbud) | Play/Pause music, Answer/Hang up call |
| Double tap on left earbud | Previous track |
| Double tap on right earbud | Next track |
| Long press for 2 seconds (either earbud) | Activate voice assistant |
| Long press during incoming call (either earbud) | Reject call |
| Triple tap on left earbud | Enable/Disable Gaming Mode |
| Triple tap on right earbud | Enable/Disable Gaming Mode |
Image: Detailed touch control guide.
5.2 High-Performance Gaming Mode
The VXS Pro features an innovative high-performance gaming mode, powered by a dual-core 240MHz DSP processor, achieving an ultra-low latency of 58 milliseconds. This mode is ideal for gaming scenarios where minimal delay is crucial.
- To Enable/Disable: Triple-tap either the left or right earbud.
- Note: Enabling high-performance mode increases power consumption and affects battery life. Activate it only when needed to conserve battery.
Image: High-Performance Gaming Mode in action.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your KZ VXS Pro earphones.
- Cleaning: Regularly clean the ear tips and the earphone surfaces with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Always store the earphones in their charging case when not in use to protect them from dust, damage, and to keep them charged.
- Avoid Moisture: The earphones are not waterproof. Keep them away from water, sweat, and high humidity to prevent damage.
- Charging: Use only the provided Type-C cable or a certified equivalent for charging.
7. Troubleshooting
If you encounter any issues with your KZ VXS Pro earphones, please refer to the following common solutions:
- Earphones not pairing:
- Ensure both earphones are charged.
- Place them back in the charging case, close the lid, wait a few seconds, then open the lid to re-enter pairing mode.
- Turn off and on your device's Bluetooth, then try searching again.
- Forget "KZ VXS Pro" from your device's Bluetooth list and attempt to pair again.
- No sound from one earbud:
- Check if both earbuds are charged.
- Try placing both earbuds back in the case, closing the lid, and then taking them out again.
- Ensure they are properly connected to your device.
- Poor sound quality or intermittent connection:
- Ensure your device is within the 15-meter transmission range.
- Minimize obstacles between your device and the earphones.
- Check for interference from other wireless devices.
- Ensure the ear tips provide a good seal in your ear.
- Battery drains quickly:
- High-performance gaming mode consumes more power. Ensure it is only activated when necessary.
- Ensure the earphones are fully charged before use.
8. User Tips
- Noise Isolation: The KZ VXS Pro earphones provide passive noise isolation up to -23dB. They do not feature active noise cancellation (ANC) technology. Manage your expectations regarding noise reduction accordingly.
- Gaming Mode Usage: While the gaming mode offers ultra-low latency, remember that it increases power consumption. Activate it specifically for gaming sessions and switch it off for general music listening or calls to extend battery life.
- Ear Tip Fit: Experiment with the included replaceable ear tips to find the best fit for your ears. A proper seal is crucial for optimal sound quality and passive noise isolation.
9. Warranty and Support
For warranty information, please refer to the terms and conditions provided at the point of purchase or contact the seller directly. If you require further assistance or have questions not covered in this manual, please reach out to KZ customer support or your retailer.
