Boult K10 Pure Black (Airbass Earbuds)
Boult K10 Truly Wireless Bluetooth Earbuds User Manual
Model: K10 Pure Black (Airbass Earbuds)
Introduction
Thank you for choosing the Boult K10 Truly Wireless Bluetooth Earbuds. This manual provides essential information for setting up, operating, and maintaining your earbuds to ensure optimal performance and longevity. Please read this manual carefully before use.

Image: Boult K10 Pure Black Earbuds and their charging case.
Package Contents
- Boult K10 Truly Wireless Earbuds
- Wireless Charging Case
- Type-C Fast Charging Cable
- Extra Pair of Eartips
- User Manual
- Warranty Card
Setup
Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the Type-C charging cable to the charging port on the case and the other end to a USB power source. The charging indicator lights on the case will show the charging status.

Image: The Boult K10 offers up to 50 hours of playtime and supports Type-C fast charging, providing 120 minutes of playtime from a 10-minute charge.
Initial Pairing
- Ensure the charging case has sufficient power.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for available Bluetooth devices and select "Boult K10" from the list.
- Once connected, a voice prompt will confirm successful pairing.

Image: The Boult K10 features Bluetooth 5.4 for fast pairing and a stable, uninterrupted connection.
Operating Instructions
Touch Controls
The Boult K10 earbuds feature intuitive touch controls for easy management of music, calls, and voice assistants.

Image: Diagram illustrating the touch control functions for the Boult K10 earbuds.
- 1 Tap (L/R): Music Play/Pause, Call receive
- 2 Tap (L): Previous Track
- 2 Tap (R): Next Track
- 3 Tap (L): Volume Down
- 3 Tap (R): Volume Up
- 4 Tap (L/R): Activate Gaming Mode
- Long Press (L/R): Reject Call
Gaming Mode (Low Latency)
Activate the 45ms ultra-low latency gaming mode for real-time audio synchronization, enhancing your gaming experience.
- To activate: Four taps on either earbud.
- To deactivate: Four taps on either earbud again.

Image: The Boult K10 features 45ms ultra-low latency, ideal for gaming, activated by a four-tap gesture.
Call Management
The Zen Quad Mic ENC ensures clear calls by filtering out background noise.

Image: The Boult K10 utilizes Zen Quad Mic ENC with 4 microphones for crystal clear, echo-free calls by suppressing external noise.
- Answer Call: 1 Tap (L/R)
- End Call: 1 Tap (L/R)
- Reject Call: Long Press (L/R)
Maintenance and Care
Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Clean the charging contacts on both the earbuds and the case to ensure proper charging.
Water Resistance
The Boult K10 earbuds are IPX5 rated, meaning they are resistant to sweat and splashes. They are not designed for submersion in water.
- Avoid exposing the earbuds to excessive moisture or liquids.
- Do not wear them while swimming or showering.
- If they get wet, wipe them dry thoroughly before placing them back in the charging case.
Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget "Boult K10" from your device's Bluetooth list and re-pair. |
| Only one earbud working | Place both earbuds back in the case, close the lid, wait a few seconds, then open again. Ensure both earbuds are charged. |
| No sound | Check device volume. Ensure earbuds are connected. Try playing different audio. |
| Charging issues | Check charging cable and adapter. Ensure charging contacts on earbuds and case are clean and dry. |
| Low volume | Adjust volume on both earbuds and connected device. Ensure eartips provide a good seal. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Airbass Earbuds |
| Connectivity Technology | Wireless, Bluetooth |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 10 Metres |
| Audio Driver Size | 10 Millimetres |
| Battery Life (Earbuds) | Up to 50 Hours (with charging case) |
| Charging Time | 60 Minutes (earbuds), 100 Minutes (case) |
| Fast Charging | 10 min charge = 120 min playtime |
| Audio Latency | 45 Milliseconds (Gaming Mode) |
| Microphone | Zen Quad Mic ENC (4 mics) |
| Water Resistance Level | IPX5 (Sweat and Splash Resistant) |
| Control Method | Touch, Voice |
| Item Weight | 44.5 Grams |
| Dimensions (Case) | 5.5 x 5.5 x 3.1 cm |
Warranty and Support
Warranty Information
The Boult K10 earbuds come with a standard manufacturer's warranty. Please refer to the included Warranty Card in your package for detailed terms and conditions, including warranty period and coverage.
Customer Support
For any product-related queries, technical assistance, or warranty claims, please contact Boult customer support. You can find contact information on the official Boult website or refer to the details provided on your Warranty Card.
Visit the official Boult Store on Amazon: Boult Audio Store
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