Introduction
Welcome to the user manual for your new Boult Astra Truly Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features such as 48-hour playtime, low latency gaming, and intuitive touch controls. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your device to ensure optimal performance.

Image: The Boult Astra earbuds in their charging case, showcasing the sleek black gloss finish and illuminated accents.
What's in the Box
Upon opening your Boult Astra package, you should find the following components:
- Boult Astra Truly Wireless Earbuds (Left and Right)
- Wireless Charging Case
- Type-C Fast Charging Cable
- User Manual
- Warranty Card
- Extra Pair of Eartips

Image: A visual representation of the Boult Astra earbuds, charging case, and accessories, highlighting key features like Bluetooth 5.3, 48H playtime, and 13mm drivers.
Setup Guide
1. Initial Charging
Before first use, ensure your Boult Astra earbuds and charging case are fully charged. Connect the provided Type-C charging cable to the charging port on the case and plug the other end into a compatible USB power source. The LED indicators on the case will show charging status.

Image: The Boult Astra charging case connected via a Type-C cable, illustrating the fast charging capability that provides 1.5 hours of playtime from a 10-minute charge.
2. Pairing with Your Device
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by flashing LEDs.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings.
- Search for "Boult Astra" in the list of available devices.
- Select "Boult Astra" to connect. Once connected, a voice prompt will confirm successful pairing.
Thanks to Blink & Pair™ technology, your earbuds will automatically connect to the last paired device when removed from the case.

Image: Boult Astra earbuds outside their case, illustrating stable Bluetooth 5.3 connectivity and fast pairing with Blink & Pair technology.
Operating Instructions
Touch Controls
The Boult Astra earbuds feature intuitive touch controls for easy management of music, calls, and modes. Refer to the table below for specific functions:
| Action | Function |
|---|---|
| Single Tap | Play/Pause Music, Receive Calls |
| Double Tap | Next/Back Track |
| Triple Tap | Volume Down/Volume Up |
| Four Taps | Activate Combat™ Gaming Mode |
| Long Press (2 seconds) | Activate Voice Assistant (Google Assistant, Siri) |

Image: A detailed diagram illustrating the various touch control gestures and their corresponding functions on the Boult Astra earbuds.
Using the Boult Amp App
Enhance your experience with the "Boult Amp" mobile application. The app allows you to:
- Customize touch controls.
- Switch between 6 Equalizer Modes for personalized audio.
- Rename your earbuds.
- Access earbud cleaning tips.

Image: A smartphone screen displaying the Boult Amp App interface, demonstrating options for customizing touch controls and selecting from 6 built-in EQ modes.
Key Features
Extended Playtime
Enjoy up to 48 hours of total playtime with the charging case, ensuring your music and calls last throughout your day and beyond.

Image: The Boult Astra earbuds and charging case, emphasizing the impressive 48-hour battery life and 120-hour standby time.
Ultra-Low Latency Gaming
Activate Combat™ Gaming Mode with four taps to achieve an ultra-low latency of 45ms, providing synchronized audio for an immersive gaming experience.

Image: The Boult Astra earbuds in their open charging case, illustrating the Combat™ Gaming Mode with 45ms ultra-low latency, activated by four taps.
BoomX™ Drivers for Deep Bass
Equipped with 13mm BoomX™ drivers, the Astra earbuds deliver powerful bass, clear vocals, and balanced highs for a rich audio experience.

Image: A magnified view of the Boult Astra earbud's internal structure, highlighting the 13mm BoomX™ driver responsible for supreme bass surge.
Quad Mic ENC for Clear Calls
The integrated Quad Mic Environmental Noise Cancellation (ENC) technology ensures crystal-clear voice calls by effectively filtering out ambient noise.
Breathing LEDs
The charging case and earbuds feature distinctive LED lights that illuminate with various actions, adding a stylish visual element.

Image: The Boult Astra charging case with its lid open, showcasing the breathing LED lights that activate with actions like closing the case, charging, or connecting buds.
IPX5 Water Resistance
With an IPX5 rating, your Boult Astra earbuds are resistant to sweat, rain, and splashes, making them suitable for workouts and outdoor activities.

Image: Boult Astra earbuds resting on a textured surface, illustrating their IPX5 water resistance, making them sweatproof, rainproof, and splashproof.
Maintenance
To ensure the longevity and optimal performance of your Boult Astra earbuds, follow these maintenance guidelines:
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. For the eartips, you can gently wipe them with a slightly damp cloth and allow them to air dry completely before reattaching. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, always store the earbuds in their charging case to protect them from dust, dirt, and physical damage.
- Charging: Use only the provided Type-C cable and a compatible power adapter. Avoid overcharging by disconnecting once fully charged.
- Water Exposure: While IPX5 water-resistant, avoid submerging the earbuds in water or exposing them to high-pressure water jets. Dry them thoroughly if they get wet.
Troubleshooting
If you encounter any issues with your Boult Astra earbuds, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing |
|
| No sound from one earbud |
|
| Low volume or poor sound quality |
|
| Charging case not charging |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | Airbass |
| Connectivity Technology | Wireless, Bluetooth 5.3 |
| Audio Driver Size | 13mm BoomX Drivers |
| Audio Latency | 45 Milliseconds (Gaming Mode) |
| Noise Control | Passive Noise Cancellation, Quad Mic ENC |
| Playtime | Up to 48 Hours (with charging case) |
| Charging Time | 100 Minutes (earbuds and case) |
| Charging Port | Type-C Fast Charging |
| Water Resistance Level | IPX5 (Sweatproof, Rainproof, Splashproof) |
| Control Type | Touch, Voice (Google Assistant, Siri) |
| Material | Plastic |
| Item Weight | 60 Grams |
| Product Dimensions | 5.6 x 5 x 2.9 cm |
| Country of Origin | India |
Warranty and Support
Your Boult Astra Truly Wireless Earbuds come with a 1-year manufacturer’s warranty from the date of purchase. This warranty covers manufacturing defects and ensures reliable customer support.
For warranty claims, technical assistance, or any other inquiries, please refer to the contact information provided on your Warranty Card or visit the official Boult Audio website.
Manufacturer: Boult Audio, B-67 Wazirpur Industrial Area, New Delhi 110052





