Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your GOBOULT x Mustang Dyno TWS Earbuds. Please read this guide thoroughly to ensure optimal performance and longevity of your device.

Image: The GOBOULT x Mustang Dyno TWS Earbuds and their charging case, showcasing the distinctive Mustang branding.
Setup
1. Unboxing and Components
Carefully unpack your new earbuds. The package should contain the following items:
- GOBOULT x Mustang Dyno Earbuds
- Wireless Charging Case
- USB Type-C Charging Cable
- Extra Pair of Eartips (various sizes)
- User Manual (this document)
- Warranty Card
2. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case.
- Connect the provided USB Type-C cable to the charging port on the case and a power source.
- The charging indicator on the case will show charging status.
- A full charge takes approximately 90 minutes.
- The earbuds offer up to 60 hours of total playtime with the charging case.

Image: The charging case highlighting its 60-hour total playtime and fast charging capability, providing 120 minutes of playback from a 10-minute charge.
3. Pairing with a Device (Blink & Pair BT 5.4)
The earbuds feature Bluetooth 5.4 for fast and stable connectivity.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for 'GOBOULT Dyno' or 'AirBass Earbuds' in the list of available devices.
- Select the earbuds to connect. A voice prompt will confirm successful pairing.
4. Dual Device Pairing
These earbuds support simultaneous connection to two devices.
- Pair the earbuds with your first device as described above.
- Disable Bluetooth on the first device.
- Pair the earbuds with your second device.
- Re-enable Bluetooth on the first device. The earbuds should now be connected to both devices, allowing seamless switching.

Image: Illustration of dual device connectivity, allowing seamless audio switching between two active devices, and the ZEN Quad Mic ENC for clear calls.
5. App Support
Enhance your experience by downloading the dedicated GOBOULT app.
- The app allows for custom EQ modes to fine-tune your audio.
- Assign custom gestures to the touch controls.
- Utilize the Quick Cleanup feature for optimal performance.
Operating the Earbuds
1. Touch Controls
The earbuds feature intuitive touch controls for managing playback, calls, and voice assistants. Specific gestures can be customized via the GOBOULT app.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud.
- Activate Voice Assistant: Triple tap on either earbud.
- Gaming Mode: Press and hold the right earbud for 2 seconds to toggle 45ms low latency gaming mode.
2. Audio Features
- 13mm Drivers: Experience clear audio with enhanced bass.
- Customizable EQ Modes: Adjust bass, treble, and mids through the app to match your listening preferences.
- 45ms Low Latency Gaming: Activate gaming mode for synchronized audio, providing a competitive edge in fast-paced games.

Image: The earbuds highlighting their 13mm drivers, tuned with Boom X Technology for supreme bass performance.
3. Calling
The earbuds are equipped with Zen Quad Mic Environmental Noise Cancellation (ENC) for clear communication.
- Four built-in microphones work to reduce ambient noise during calls.
- Ensures crystal-clear voice transmission for both personal and professional conversations.
4. Voice Assistant
Access your device's voice assistant (Google Assistant, Siri) with a simple triple tap on either earbud.
Maintenance
1. Cleaning
Use the Quick Cleanup feature within the GOBOULT app to help maintain optimal audio performance by removing dust and debris.
- Regularly wipe the earbuds and charging case with a soft, dry cloth.
- Ensure charging contacts are clean and free of obstruction.
2. Water Resistance
The earbuds are IPX5 water resistant.
- This rating protects against low-pressure water jets from any direction.
- They are suitable for use during workouts or light rain, but are not designed for submersion in water.

Image: The earbuds highlighting IPX5 water resistance for durability in various conditions, along with support for Google Assistant and Siri voice commands.
Troubleshooting
If you encounter any issues with your GOBOULT x Mustang Dyno TWS Earbuds, please refer to the following common solutions:
- No Sound: Ensure earbuds are charged, properly paired, and volume is adjusted on both the earbuds and your connected device.
- Pairing Issues: Turn off Bluetooth on your device, place earbuds back in the case, close and reopen the case, then try pairing again. Ensure no other devices are trying to connect.
- Intermittent Connection: Ensure you are within the 10-meter Bluetooth range and there are no significant obstructions between the earbuds and your device.
- Charging Problems: Check the charging cable and adapter. Ensure the charging contacts on the earbuds and case are clean.
- Unresponsive Touch Controls: Ensure your fingers are clean and dry. Try restarting the earbuds by placing them in the case and taking them out again.
For further assistance, please contact GOBOULT customer support.
Specifications
| Feature | Specification |
|---|---|
| Model Name | AirBass Earbuds |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Bluetooth Range | 10 Metres |
| Audio Driver Size | 13 Millimetres |
| Noise Control | Environmental Noise Cancellation (ENC) |
| Microphones | 4 Mics (Zen Quad Mic ENC) |
| Audio Latency | 45 Milliseconds (Gaming Mode) |
| Total Playtime | Up to 60 Hours (with charging case) |
| Charging Time | Approximately 90 Minutes |
| Water Resistance Level | IPX5 |
| Control Method | Touch, Voice |
| Compatible Devices | Android, Cellphones, Desktops, Laptops, Tablets |
| Item Weight | 40 Grams (earbuds) |
| Charging Case Weight | 50 Grams |
| Battery Type | Lithium Polymer |
| Frequency Response | 20 Hz - 20,000 Hz |
| Impedance | 32 Ohm |
Warranty and Support
Your GOBOULT x Mustang Dyno TWS Earbuds come with a 1-Year Manufacturer's Warranty from the date of purchase.
- This warranty covers manufacturing defects.
- Please retain your proof of purchase for warranty claims.
- For warranty service or technical support, please refer to the contact information provided on the warranty card or visit the official GOBOULT website.





