1. Product Overview
The GOBOULT Klarity 4 ANC Truly Wireless Earbuds are designed to provide a high-quality audio experience with advanced features. These earbuds incorporate 35dB Active Noise Cancellation (ANC) for immersive listening, Zen Quad Mic Environmental Noise Cancellation (ENC) for clear calls, and powerful 10mm drivers for rich sound. With Bluetooth 5.4 connectivity, a 60-hour total playtime, and a 45ms low-latency gaming mode, the Klarity 4 earbuds are suitable for various activities from daily commutes to gaming sessions.

Image: GOBOULT Klarity 4 ANC Earbuds showcasing key features like 35dB ANC, Bluetooth 5.4, Zen Quad Mic ENC, 45ms Lowest Latency, 60 Hours Battery Life, and fast charging capabilities.
2. What's in the Box
Upon opening the package, ensure all the following components are present:
- GOBOULT Klarity 4 ANC Truly Wireless Earbuds
- Wireless Charging Case
- USB Type-C Charging Cable
- Multiple Sizes of Ear Cushions (S, M, L)
- User Manual (This Document)
- Protective Case
3. Setup Guide
3.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. The charging case provides additional power for extended listening.
- Place the earbuds into the charging case, ensuring they are correctly seated.
- Connect the provided USB Type-C cable to the charging port on the case and the other end to a compatible USB power source.
- The indicator light on the case will show the charging status. A full charge typically takes approximately 60 minutes for the case and earbuds.
- A 10-minute charge can provide up to 120 minutes of playtime.

Image: Klarity 4 earbuds in their charging case, illustrating the 60-hour playtime and Type-C fast charging feature.
3.2 Pairing with a Device
The Klarity 4 earbuds utilize Bluetooth 5.4 for a stable and fast connection.
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing light (specific color/pattern may vary, refer to LED indicator section if available).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "GOBOULT Klarity 4" from the list of discovered devices.
- Once connected, a confirmation sound or voice prompt will be heard, and the indicator light on the earbuds will change.
- For subsequent use, the earbuds will automatically connect to the last paired device when the case is opened.

Image: Klarity 4 earbuds in their open charging case, demonstrating Bluetooth 5.4 connectivity and the "Blink & Pair" feature for fast pairing with a device.
4. Operating Instructions
4.1 Power On/Off
- Power On: Open the charging case, and the earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically disconnect and power off.
4.2 Touch Controls
The Klarity 4 earbuds feature intuitive touch controls for managing audio playback, calls, and voice assistants. Specific gestures for functions like play/pause, skip track, answer/end call, and activating voice assistant are typically detailed in a quick start guide or product packaging. Refer to that documentation for precise touch commands.
4.3 Active Noise Cancellation (ANC) and Transparency Mode
The earbuds offer 35dB Active Noise Cancellation to reduce ambient noise and a Transparency Mode to allow you to hear your surroundings without removing the earbuds.
- ANC Mode: Activates noise cancellation, ideal for noisy environments.
- Transparency Mode: Allows external sounds to pass through, useful for awareness in urban settings or conversations.
- Normal Mode: Standard audio playback without ANC or Transparency.
Switching between these modes is typically done via a touch control on the earbuds. Consult the quick start guide for specific touch commands.

Image: Klarity 4 earbuds illustrating the functionality of Active Noise Cancellation and Transparency Mode, depicting how ambient noise is filtered or allowed through.
4.4 Making Calls
The Zen Quad Mic Environmental Noise Cancellation (ENC) system ensures clear voice transmission during calls by filtering out background noise.
- Answering/Ending Calls: Use the touch controls on either earbud.
- Rejecting Calls: Use the touch controls on either earbud.

Image: Klarity 4 earbuds detailing the Quad Mic ENC feature, emphasizing its ability to provide crystal clear and echo-free calls by suppressing external noise.
4.5 Gaming Mode
Activate the 45ms ultra-low latency gaming mode for synchronized audio during gaming sessions, reducing delay between on-screen action and sound.
To activate/deactivate gaming mode, refer to the specific touch control instructions provided with your product.

Image: Klarity 4 earbuds illustrating the Combat Gaming Mode, highlighting its 45ms ultra-low latency for a zero-lag gaming experience.
5. Maintenance
5.1 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.
5.2 Storage
- Always store the earbuds in their charging case when not in use to protect them and keep them charged.
- Store in a cool, dry place away from extreme temperatures and direct sunlight.
5.3 Water Resistance
The Klarity 4 earbuds are IPX5-rated, meaning they are resistant to sweat and splashes. They are not designed for submersion in water. Avoid exposing them to heavy rain, showering, or swimming.
6. Troubleshooting
If you encounter issues with your GOBOULT Klarity 4 earbuds, refer to the following common solutions:
6.1 No Sound or Connection Issues
- Check Bluetooth: Ensure Bluetooth is enabled on your device and the earbuds are selected.
- Re-pair: Disconnect the earbuds from your device's Bluetooth settings, then place them back in the case, close, and reopen to re-enter pairing mode. Re-pair as per Section 3.2.
- Charge: Ensure both earbuds and the charging case have sufficient battery.
- Distance: Ensure the earbuds are within the 10-meter Bluetooth range of your device.
6.2 Charging Issues
- Cable and Adapter: Verify the USB Type-C cable and power adapter are working correctly. Try a different cable or adapter.
- Connection: Ensure the charging cable is securely connected to both the case and the power source.
- Earbud Seating: Make sure the earbuds are properly seated in the charging case.
6.3 Active Noise Cancellation (ANC) Not Effective
- Proper Fit: Ensure the earbuds are properly seated in your ears and you are using the correct size ear cushions for a good seal. A poor fit can significantly reduce ANC effectiveness.
- Mode Selection: Confirm that ANC mode is activated via touch controls.
6.4 One Earbud Not Working or Uneven Sound
- Re-pair: Try re-pairing the earbuds with your device.
- Clean Earbuds: Check for any debris or earwax blocking the speaker mesh on the affected earbud.
- Reset: If issues persist, a factory reset might be necessary. Refer to the product's quick start guide for specific reset instructions.
7. Specifications
| Model Name | Klarity 4 (Airbass Earbuds) |
| Noise Control | Active Noise Cancellation (35dB), Sound Isolation |
| Connectivity Technology | Bluetooth 5.4 |
| Audio Driver Size | 10mm Dynamic Driver |
| Battery Life | Up to 60 Hours (with charging case) |
| Charging Time | Approx. 60 Minutes (for full charge) |
| Fast Charging | 10 minutes charge for 120 minutes playtime |
| Microphone | Zen Quad Mic ENC (Environmental Noise Cancellation) |
| Low Latency Mode | 45ms (Gaming Mode) |
| Water Resistance | IPX5 (Sweat and Splash Resistant) |
| Control Method | Touch, Voice (Google Assistant, Siri) |
| Bluetooth Range | 10 Metres |
| Item Weight | 44.5 Grams |
| Product Dimensions | 5.5 x 5.5 x 3.1 cm (Charging Case) |
| Included Components | Earbuds, Charging Case, USB Type-C Cable, Ear Cushions, User Manual, Protective Case |
| Country of Origin | China |
8. Warranty and Support
GOBOULT products are typically covered by a manufacturer's warranty against defects in materials and workmanship. The specific duration and terms of your warranty may vary based on your region and point of purchase. Please retain your proof of purchase for warranty claims.
For technical support, warranty inquiries, or service requests, please contact GOBOULT customer service through their official website or the contact information provided in your product packaging. Ensure you have your product model number (Klarity 4) and proof of purchase ready.
Online Support: Visit the official GOBOULT website for FAQs, troubleshooting guides, and contact options.





