1. Product Overview
The Monster MQT39 Wireless Bluetooth 6.0 Earphones offer a high-fidelity stereo sound experience with advanced noise reduction and low latency, making them suitable for gaming, sports, and daily use. They feature a comfortable in-ear design and come with a portable charging case for extended battery life.
Image: Monster MQT39 Earphones and Charging Case (Black and White versions).
Image: Monster MQT39 Earphones highlighting HiFi lossless sound, Bluetooth 6.0 chip, and 24-hour long battery life.
Video: Unboxing the Monster MQT39 Earphones, showing both black and white versions and included accessories.
2. Setup
2.1 Package Contents
- Monster MQT39 Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
Image: Diagram from the user manual showing the earbuds, charging case, and their components.
2.2 Charging the Earphones
Before first use, fully charge the earphones and the charging case.
- Place both earbuds into the charging case.
- Connect the USB Type-C charging cable to the charging port on the case and a power source.
- The indicator light on the charging case will show charging status.
- Once fully charged, disconnect the charging cable.
Warning: Unplug the charging cable after charging is complete to prevent potential damage or overcharging.
2.3 Power On/Off
Power On:
- Method 1 (Automatic): Open the charging case lid. The earbuds will power on automatically.
- Method 2 (Manual): Press and hold the Multi-Function Button (MFB) on either the left or right earbud for 3 seconds.
Power Off:
- Method 1 (Automatic): Place both earbuds back into the charging case and close the lid. The earbuds will power off automatically.
- Method 2 (Automatic Disconnection): The earbuds will automatically shut off after 2 minutes of disconnection from a paired device.
2.4 Bluetooth Pairing
- Ensure the earbuds are charged.
- Open the lid of the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Search for and select "Monster Maxstar MQT39" from the list of available devices.
- Once connected, you will hear an audio prompt, and the indicator light on the earbuds/case may change.
2.5 Wearing Instructions
For optimal sound quality and comfort, ensure the earbuds are worn correctly.
- Identify the Left (L) and Right (R) earbuds.
- Gently insert each earbud into the corresponding ear canal.
- Adjust the earbud until it fits snugly and comfortably.
- If needed, try different sized ear tips (not explicitly mentioned as included, but common for in-ear headphones and hinted by reviews) to find the best fit.
3. Operating the Earphones
The Monster MQT39 earphones feature touch controls for various functions.
3.1 Music Playback Controls
- Play/Pause: Single press the MFB on either the left or right earbud.
- Next Song: Double press the MFB on the right earbud.
- Previous Song: Double press the MFB on the left earbud.
3.2 Phone Call Controls
- Answer/Hang Up Call: Single press the MFB on either the left or right earbud.
- Reject Call: Press and hold the MFB on either the left or right earbud for 2 seconds.
3.3 Game Mode
Activate Game Mode for ultra-low latency audio, ideal for gaming.
- Enter/Exit Game Mode: Press and hold the right earbud MFB for 2 seconds.
Image: Monster MQT39 Earphones next to a phone displaying a game, highlighting 0.07S low latency for gaming.
3.4 Voice Assistant
Access your device's voice assistant for hands-free control.
- Activate Voice Assistant: Press and hold the left earbud MFB for 2 seconds.
Image: Monster MQT39 Earphones next to a phone displaying a call screen, highlighting sensitive radio microphone for clear communication.
4. Maintenance
4.1 Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Avoid using harsh chemicals, cleaning solvents, or strong detergents.
- Ensure charging contacts on both earbuds and case are free from dust and debris.
4.2 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 and direct sunlight.
5. Troubleshooting
5.1 Common Issues
- Earbuds not pairing: Ensure both earbuds are charged and in pairing mode. Check your device's Bluetooth settings.
- Only one earbud working: Try resetting the earbuds to factory settings.
- Poor sound quality: Ensure earbuds are clean and properly seated in your ears. Check the audio source device.
- Charging issues: Verify the charging cable and power source are working. Clean the charging contacts.
5.2 Restore Factory Settings
If you experience persistent issues, you can reset the earbuds to their factory settings:
- Place both earbuds into the charging case.
- Press and hold the MFB of both earbuds for 10 seconds.
- Release the buttons when the indicator light flashes red and white.
- Close the charging case. The earbuds are now reset and will need to be re-paired with your device.
6. Specifications
| Feature | Specification |
|---|---|
| Item Condition | New |
| Material | ABS, Silica Gel |
| Battery life up to | 24 hours (with charging case) |
| Maximum wireless range | <10m |
| Sound Isolating | Yes |
| Category | Earphones & Headphones |
| Number Of Drivers | 2 |
| Charging Method | Charging case |
| Driver Diameter | 13mm |
| Total Harmonic Distortion | 5% |
| Impedance Range | up to 32 Ω |
| Bluetooth Version | 5.3 (Note: Product title mentions 6.0, specifications list 5.3. Please refer to product packaging for definitive version.) |
| Package List | User Manual, Charging case, Charging Cable |
| Features | Waterproof, With microphone, Apple Siri Support, Active Noise Cancelling |
| Codecs | AAC, sbc |
| With Microphone | Yes |
| Is wireless | Yes |
| Support APP | Yes |
| Waterproof | Yes |
| Line Length | 0 |
| Frequency Response Range | 20 - 20000 Hz |
| Sensitivity | 115 dB |
| Plug Type | L Bending |
| Function | for Video Game, For Mobile Phone, for Powersports, HiFi Headphone, Sport, For Outdoor, For Office, For Study |
| Active Noise-Cancellation | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Wireless Type | Bluetooth |
| Connectors | Type c |
| Communication | True wireless |
| Style | Tws in-ear headphones |
| Certification | CE, RoHS |
| Origin | Mainland China |
| Brand Name | Monster |
| Product | Monster Maxstar MQT39 Earphones |
| Earphone battery capacity | 30mAh |
| Charging time (earbuds) | 1.5 hours |
| Package Length | 11 cm |
| Package Width | 11 cm |
| Package Height | 6 cm |
| Package Weight | 0.1 kg |
7. User Tips
- The sound quality is generally considered good for the price point.
- The earbuds offer a secure and comfortable fit in the ear, making them suitable for various activities.
- The included carrying case is convenient for storage and prevents loss.
- For optimal comfort and sound, experiment with different sized ear tips if available.
- The low latency feature is highly beneficial for mobile gaming, providing a responsive audio experience.
- While suitable for music and general use, the microphone quality for calls may not be ideal, with some users reporting muffled or distant sound.
8. Frequently Asked Questions (FAQ)
- Q: What is the weight of the product?
- A: The product package weight is approximately 0.1 kg. The earbuds themselves are designed for a lightweight, comfortable fit.
- Q: Is it compatible with PS5?
- A: Bluetooth headphones can generally connect to a PS5 if the console supports standard Bluetooth audio profiles. However, specific compatibility for advanced gaming features like ultra-low latency might vary. Please check your PS5's Bluetooth audio support.
- Q: There's confusion about the brand (Lenovo vs. Monster). Which is it?
- A: The product is officially the Monster MQT39. Any mention of other brands in reviews or listings might be due to user error or previous seller information. Please refer to the product packaging for the definitive brand and model.
9. Warranty and Support
For detailed warranty information and support, please refer to the official documentation provided with your product or contact the seller directly.
A digital version of the user manual is available for reference: