MASTJUST Q3 Pro Bone Conduction Headphones User Manual

1. Introduction

Thank you for choosing the MASTJUST Q3 Pro Bone Conduction Headphones. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it thoroughly before use to ensure optimal performance and longevity of your headphones.

2. Product Overview

The MASTJUST Q3 Pro is a wireless bone conduction headset designed for comfort and clear communication. It features an open-ear design, allowing you to stay aware of your surroundings while enjoying audio. The device is lightweight, durable, and equipped with advanced audio technologies.

2.1 Key Features

• Wireless Bone Conduction Design: Enjoy audio without blocking your ear canals, enhancing situational awareness.
• Comfortable Fit: Made with soft silicone material and an ultra-lightweight design (approximately 24.95g) for extended wear.
• Advanced Connectivity: Features Bluetooth 5.2 for stable and efficient wireless connection.
• Clear Communication: Equipped with an ENC Noise Reduction algorithm and CVC8.0 Noise Cancelling boom microphone for crystal-clear calls.
• Long Battery Life: Provides up to 8 hours of continuous use on a single charge.
• Fast Charging: Type-C rapid charging allows for 2 hours of use with just a 10-minute charge.
• Durable and Resistant: IP55 waterproof and dustproof rating, suitable for various environments.
• Multipoint Pairing: Connects to two devices simultaneously, allowing seamless switching between them.
• Multi-function Button: Easy control for music playback, volume adjustment, and call management.

2.2 Package Contents

• MASTJUST Q3 Pro Bone Conduction Headphones
• USB Type-C Charging Cable
• User Manual

2.3 Product Diagram

Refer to the image below for an overview of the headphone components.

Image: Front view of the MASTJUST Q3 Pro Bone Conduction Headphones, showing the main body, ear hooks, and detachable boom microphone.

3. Setup

3.1 Charging the Headphones

Before first use, fully charge your headphones.

1. Connect the provided USB Type-C charging cable to the charging port on the headphones.
2. Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
3. The LED indicator will show charging status (e.g., red for charging, blue for fully charged).
4. A full charge takes approximately 1.5-2 hours. Fast charging provides 2 hours of playback with a 10-minute charge.

3.2 Powering On/Off

• Power On: Press and hold the Power button for 3 seconds until the LED indicator flashes blue and a voice prompt says "Power On".
• Power Off: Press and hold the Power button for 5 seconds until the LED indicator flashes red and a voice prompt says "Power Off".

3.3 Bluetooth Pairing

To connect your headphones to a device for the first time:

1. Ensure the headphones are powered off.
2. Press and hold the Power button for 5-7 seconds until the LED indicator flashes red and blue alternately, and a voice prompt says "Pairing". This indicates the headphones are in pairing mode.
3. On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
4. Select "Q3 Pro" from the list of found devices.
5. Once connected, the LED indicator will flash blue slowly, and a voice prompt will say "Connected".

The headphones will automatically reconnect to the last paired device when powered on, if the device's Bluetooth is active and within range.

Image: A diagram illustrating the multipoint pairing function, showing the headphones connected to both a smartphone and a laptop via Bluetooth.

3.4 Multipoint Pairing

The Q3 Pro headphones can connect to two Bluetooth devices simultaneously.

1. Pair the headphones with the first device (e.g., your smartphone) as described in Section 3.3.
2. Turn off Bluetooth on the first device. The headphones will re-enter pairing mode.
3. Pair the headphones with the second device (e.g., your laptop).
4. Turn on Bluetooth on the first device. The headphones should automatically connect to both devices.
5. You can now switch between audio sources by pausing audio on one device and playing it on the other.

4. Operating Instructions

4.1 Music Control

• Play/Pause: Press the Multi-function button once.
• Next Track: Press and hold the Volume + button for 2 seconds.
• Previous Track: Press and hold the Volume - button for 2 seconds.
• Volume Up: Press the Volume + button.
• Volume Down: Press the Volume - button.

4.2 Call Control

• Answer/End Call: Press the Multi-function button once.
• Reject Call: Press and hold the Multi-function button for 2 seconds.
• Voice Assistant: Double-press the Multi-function button to activate your device's voice assistant (Siri, Google Assistant, etc.).

Image: A close-up view of the detachable noise-canceling boom microphone, highlighting its design for clear voice capture.

5. Maintenance

To ensure the longevity and optimal performance of your MASTJUST Q3 Pro headphones, follow these maintenance guidelines:

• Cleaning: Wipe the headphones with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth. Do not use harsh chemicals or abrasive cleaners.
• Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
• Water Exposure: While IP55 rated for water and dust resistance, avoid submerging the headphones in water. Dry them thoroughly if they get wet.
• Charging: Use only the provided Type-C cable for charging. Avoid using damaged cables or chargers.
• Battery Care: For optimal battery health, avoid fully discharging the battery frequently. Charge it regularly.

6. Troubleshooting

If you encounter issues with your headphones, refer to the following common solutions:

If the problem persists, please contact customer support.

7. Specifications

8. Safety Information

Please observe the following safety precautions:

• Do not disassemble, repair, or modify the product.
• Keep the product away from extreme temperatures, humidity, and corrosive substances.
• Avoid listening at high volumes for extended periods to prevent hearing damage.
• Use caution when operating vehicles or machinery, as the open-ear design still requires attention to surroundings.
• Keep out of reach of children and pets.

9. Warranty and Support

MASTJUST products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official MASTJUST website.

Please retain your proof of purchase for warranty claims.