1. Introduction
The KZ VXS Pro TWS Earphones are advanced wireless earbuds designed for a superior audio experience, featuring Bluetooth 5.3 connectivity, hybrid HiFi sound, and a dedicated gaming mode. Powered by the Qualcomm QCC5171 chip, these earphones offer stable transmission, low latency, and efficient power consumption. With a custom-designed 10mm dynamic driver and physical noise isolation, they deliver clear sound and comfortable wear for various activities, from gaming to sports.
2. Package Contents
Please check the package for the following items:
- KZ VXS Pro TWS Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
3. Specifications
| Feature | Specification |
|---|---|
| Brand Name | KZ |
| Product Model | VXS Pro |
| Earphone Battery Life | Approximately 8 hours |
| Bluetooth Version | 5.3 |
| Earphone Battery Capacity | 48mAh |
| Bluetooth Chip | Qualcomm QCC5171 |
| Charging Case Battery Capacity | 400mAh |
| Charging Interface | Type-C |
| Charging Case Recharge Cycles | Approximately 4 times |
| Transmission Range | Approximately 15 meters |
| Material | Metal |
| Number Of Drivers | 1 |
| Charging Method | Charging case |
| With Microphone | Yes |
| Is wireless | Yes |
| Support APP | No |
| Waterproof | No |
| Active Noise-Cancellation | No (Features passive noise isolation) |
| Volume Control | No (Control via connected device or touch controls) |
| Control Button | No (Features touch controls) |
| Vocalism Principle | Hybrid Technology |
| Wireless Type | Bluetooth |
| Connectors | Type-C |
| Style | In-ear |
| Certification | CE |
4. Initial Setup
4.1 Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case.
- Place both KZ VXS Pro earphones into the charging case.
- Connect the provided USB Type-C charging cable to the charging port on the case and to a compatible USB power source.
- The indicator lights on the charging case will show the charging status. Once fully charged, the lights will indicate completion or turn off.
The charging case has a 400mAh battery, providing approximately 4 full recharges for the 48mAh earphones, extending total battery life to over 30 hours.
4.2 Bluetooth Pairing
- Open the charging case. The earphones will automatically enter pairing mode, indicated by a flashing LED on the earbuds.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for available Bluetooth devices and select "KZ VXS Pro" from the list.
- Once connected, the earbud LED indicators will stop flashing, and you will hear a confirmation tone.
- The earphones will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.
5. Operating Instructions
5.1 Touch Controls
The KZ VXS Pro earphones feature intuitive touch controls on each earbud:
| Function | Action |
|---|---|
| Play/Pause | Single tap on either earbud |
| Previous Track | Double tap on the left earbud |
| Next Track | Double tap on the right earbud |
| Activate Voice Assistant | Long press for 2 seconds on either earbud |
| Answer/Hang Up Call | Single tap on either earbud |
| Reject Incoming Call | Long press during an incoming call |
| Toggle Gaming Mode | Triple tap on either the left or right earbud |
5.2 Gaming Mode
The KZ VXS Pro features an innovative high-performance gaming mode, powered by a dual-core 240MHz DSP processor, to achieve an ultra-low latency of 58 milliseconds. This mode is ideal for gaming and video playback where minimal delay is crucial.
- Activation: Triple tap on either the left or right earbud to enable or disable gaming mode.
- Note: Enabling high-performance gaming mode increases power consumption and may affect battery life. Activate it only as needed.
6. Maintenance and Care
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Ear Tips: Remove ear tips periodically and clean them with water and mild soap. Ensure they are completely dry before reattaching.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage.
- Avoid Water: The earphones are not waterproof. Avoid exposure to water, rain, or excessive moisture.
- Temperature: Do not expose the earphones to extreme temperatures (hot or cold) or direct sunlight for extended periods.
7. Troubleshooting
7.1 Common Issues and Solutions
- Earbuds not pairing with device:
- Ensure both earbuds are in the charging case and fully charged.
- Open the charging case to activate pairing mode.
- Turn off and on Bluetooth on your device.
- Forget/delete "KZ VXS Pro" from your device's Bluetooth list and try pairing again.
- Only one earbud working:
- Place both earbuds back into the charging case, close the lid, wait a few seconds, then open it again.
- Ensure both earbuds are charged.
- Try re-pairing the earbuds with your device.
- Low volume or poor sound quality:
- Check the volume level on both your device and the earphones.
- Ensure the ear tips are properly seated in your ears for a good seal.
- Clean any debris from the earbud nozzles and ear tips.
- Ensure there are no obstructions between the earphones and your device.
- Earbuds not charging:
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging case itself has power.
- Clean the charging contacts on both the earbuds and inside the case.
- Battery drains quickly:
- Ensure Gaming Mode is disabled when not needed, as it consumes more power.
- Reduce listening volume.
- Ensure earbuds are properly placed in the case and the case lid is closed when not in use to prevent accidental activation.
8. User Tips
- Microphone Functionality: The KZ VXS Pro earphones include a built-in microphone, allowing for hands-free calls and voice assistant commands.
- Optimal Fit: Experiment with different ear tip sizes to find the best fit for your ears. A good seal is crucial for both sound quality and passive noise isolation.
- Gaming Mode Usage: While Gaming Mode provides ultra-low latency, remember it increases power consumption. Use it strategically for gaming sessions and switch back to normal mode for general listening to conserve battery.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included in your package or contact the KZ Official Store directly. Keep your proof of purchase for any warranty claims.
