1. Introduction
Thank you for choosing the Boult Audio ProBass Curve Neckband Wireless Bluetooth Earphones. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it carefully before use to ensure optimal performance and longevity.
These earphones are designed for an immersive audio experience with deep bass, featuring a durable flexi-band, IPX5 water resistance, and a long-lasting battery.
2. Product Overview
The Boult Audio ProBass Curve earphones offer a blend of comfort and high-quality sound. Key features include:
- Long Battery Life: Enjoy extended listening sessions with up to 8-10 hours of playtime and 1-2 days of standby.
- Durable Flexi-band: A lightweight and sturdy neckband designed for comfortable wear.
- Noise Isolating Aerospace Grade AL Drivers: Built-in micro-woofers deliver deep bass and isolate noise.
- IPX5 Water Resistant: Protection against sweat and light splashes, suitable for workouts.
- Off-Axis Magnetic Technology: Oval-shaped earbuds with a 60-degree angled nozzle for direct sound delivery and noise isolation.
- Magnetic Earbuds: Premium magnets allow the earbuds to attach together when not in use, preventing tangles.


3. Package Contents
Please check the box for the following items:
- Boult Audio ProBass Curve Neckband Earphones
- USB Charging Cable
- Extra Eartips (various sizes)
- User Manual
4. Setup
4.1 Charging the Earphones
- Connect the micro-USB end of the charging cable to the charging port on the earphone's inline control module.
- Connect the USB-A end of the cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show the charging status. A full charge typically takes approximately 1.5 hours.
- Once fully charged, disconnect the charging cable.
Note: Ensure the earphones are fully charged before first use for optimal battery performance.

4.2 Bluetooth Pairing
- Ensure the earphones are turned off.
- Press and hold the multi-function button (usually the power button) on the inline control module for approximately 5-7 seconds until the LED indicator flashes red and blue alternately. This indicates pairing mode.
- On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings and turn on Bluetooth.
- Search for available devices. You should see "Boult Audio Curve" or a similar name in the list.
- Select the earphone name to connect. Once connected, the LED indicator will typically flash blue slowly or turn solid blue.
- If prompted for a password, enter "0000".
Note: The earphones will automatically attempt to reconnect to the last paired device when powered on.

4.3 Wearing the Earphones
- Select the appropriate size of eartips for a comfortable and secure fit. A good seal is crucial for optimal sound quality and bass response.
- Place the neckband around your neck.
- Insert the earbuds into your ears, ensuring a snug fit. The off-axis magnetic technology helps direct sound into the ear canal.

5. Operating Instructions
5.1 Inline Controls
The inline control module provides easy access to various functions:

| Button/Action | Function |
|---|---|
| Multi-function Button (Power Button) | |
| Press and Hold (3s) | Power ON/OFF |
| Press and Hold (5-7s) | Enter Pairing Mode |
| Single Press | Play/Pause Music, Answer/End Call |
| Double Press | Redial Last Number |
| Press and Hold (2s) during call | Reject Call |
| Volume Up (+) Button | |
| Single Press | Increase Volume |
| Press and Hold | Next Track |
| Volume Down (-) Button | |
| Single Press | Decrease Volume |
| Press and Hold | Previous Track |
5.2 Voice Assistant
To activate your device's voice assistant (Google Assistant or Siri):
- Press the multi-function button for 2 seconds.
- You will hear an audible prompt, and your device's voice assistant will activate.

6. Maintenance
6.1 Cleaning
- Gently wipe the earphones and neckband with a soft, dry, lint-free cloth.
- Remove eartips and clean them with mild soap and water if necessary. Ensure they are completely dry before reattaching.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
6.2 Storage
- When not in use, attach the magnetic earbuds together to prevent tangling and secure them.
- Store the earphones in a cool, dry place, away from extreme temperatures and direct sunlight.
6.3 Water Resistance (IPX5)
The earphones are IPX5 water resistant, meaning they can withstand a sustained, low-pressure water jet spray. This makes them suitable for protection against sweat during workouts and light rain. However, they are not designed for submersion in water or exposure to high-pressure water jets.
- Do not submerge the earphones in water.
- Avoid using them in showers, baths, or swimming.
- If the earphones get wet, wipe them dry immediately with a clean cloth.

7. Troubleshooting
If you encounter issues with your Boult Audio ProBass Curve earphones, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Earphones do not turn on | Charge the earphones fully. Ensure the charging cable is properly connected. |
| Cannot pair with device |
|
| No sound or low volume |
|
| Intermittent connection/audio drops |
|
| Microphone not working |
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Curve |
| Brand | GOBOULT (Boult Audio) |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technologies | Bluetooth |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Noise Control | Sound Isolation |
| Impedance | 30 Ohm |
| Headphone Jack | 3.5 mm Jack (for charging, not audio) |
| Batteries | 1 Lithium Ion battery (included) |
| Product Dimensions | 18 x 15 x 2 cm; 28 g |
| Color | Black |
| Water Resistance Rating | IPX5 |
9. Safety Information
- Do not disassemble, repair, or modify the product. This may cause fire, electric shock, or complete damage to the product.
- Keep the product away from extreme temperatures, humidity, and corrosive environments.
- Avoid exposing the product to direct sunlight for prolonged periods.
- Do not use the product at high volume for extended periods to prevent hearing damage.
- Keep out of reach of children and pets.
- Dispose of the product and its battery responsibly according to local regulations.
10. Warranty and Support
For warranty information and customer support, please refer to the official Boult Audio website or contact your retailer. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, please visit the official Boult Audio support page or contact their customer service.





