Introduction
The Monster MQT55 TWS Bluetooth Earphones are designed to provide a high-quality audio experience with versatile features for music, gaming, and calls. Featuring Bluetooth 5.4 for stable connectivity, a featherlight design for comfort, and dual modes for optimized performance, these earbuds are built for all-day immersive listening.
Package Contents
Please check the box for the following items:
- 2 x Bluetooth Earphones (Left and Right)
- 1 x Charging Case
- 1 x Charging Cable (Type-C)
- 1 x User Manual
- 1 x Lanyard

Image: Monster MQT55 Earphones and accessories.
Product Overview
The Monster MQT55 earphones are engineered for comfort and superior sound. Each earbud weighs approximately 3.9g, providing a featherlight feel for extended wear. They feature a 13mm dynamic driver for rich, spacious sound and support dynamic spatial audio for an immersive 3D surround experience.

Image: Black Monster MQT55 Earphones.

Image: Ergonomic design for comfortable wear.

Image: 13mm dynamic driver unit diagram.
The earphones are available in multiple colors: Black, Off White, and Blue.

Image: Available colors for Monster MQT55.
Setup
1. Charging the Earphones and Case
Before first use, fully charge the earphones and charging case.
- Place the earphones into the charging case.
- Connect the Type-C charging cable to the charging port on the case and a power source.
- The indicator lights on the case will show charging status. A full charge takes approximately 1.5 hours.
2. Bluetooth Pairing
The Monster MQT55 earphones utilize Bluetooth 5.4 for a fast and stable connection.
- Ensure the earphones are charged and inside the charging case.
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
- Select "Monster Maxstar MQT55" from the list of devices to connect.
- Once connected, you will hear an audible confirmation, and the indicator lights on the earphones will change.

Image: Bluetooth pairing process.
The earphones are compatible with iOS, Android, Huawei, and PC devices.

Image: Universal device compatibility.
Operating Instructions
1. Power On/Off
- Power On: Open the charging case, or take the earphones out of the case. They will power on automatically.
- Power Off: Place the earphones back into the charging case and close the lid. They will power off automatically.
2. Touch Controls
The Monster MQT55 earphones feature sensitive touch controls for easy management of audio and calls.

Image: Touch control guide.
- Touch 1 time (Left/Right ear): Volume up (Right ear) / Volume down (Left ear)
- Touch 2 times (Both ears): Play/Pause music; Answer/Hang up calls
- Touch 3 times (Left/Right ear): Previous song (Left ear) / Next song (Right ear)
- Long press for 2 seconds (Left/Right ear): Activate Voice Assistant; Switch between Music/Game mode
3. Dual Modes: Music & Gaming
Switch between HiFi music mode and low-latency game mode by long-pressing an earbud for 2 seconds.
- Music Mode: Optimized for rich, high-fidelity audio playback.
- Game Mode: Reduces audio latency for synchronized gameplay, enhancing your gaming experience.

Image: Dual modes for music and gaming.
Maintenance
- Cleaning: Regularly clean the earbuds, especially the ear tips and charging contacts, with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage.
- Water Resistance: The earphones are waterproof, but avoid prolonged exposure to water or submersion. Dry them thoroughly if they get wet.
- Battery Care: Avoid fully discharging the battery frequently. Charge the case and earphones regularly to prolong battery life.
Troubleshooting
- Earbuds not pairing with device:
- Ensure both earbuds are charged.
- Turn off Bluetooth on your device and turn it back on.
- Forget the device in your Bluetooth settings and try pairing again.
- Place earbuds back in the case, close the lid, wait a few seconds, then open to re-enter pairing mode. - Only one earbud has sound:
- Place both earbuds back into the charging case and close the lid. Open it again to reset the connection.
- Check your device's audio balance settings. - Earbuds not charging:
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging contacts on the earbuds and inside the case are clean and free of debris.
- Try a different charging cable or power adapter. - Poor sound quality:
- Ensure the earbuds are properly seated in your ears for a good seal.
- Clean any earwax or debris from the earbud nozzles.
- Move closer to your connected device to avoid interference.
Specifications
| Feature | Specification |
|---|---|
| Product Model | Monster Maxstar MQT55 |
| Bluetooth Version | 5.4 |
| Speaker Unit | 13mm Dynamic Driver |
| Bluetooth Range | ≥10 meters |
| Charging Port | Type-C |
| Overall Sensitivity | 116dB ±3dB |
| Frequency Response Range | 20 - 20000Hz |
| Total Battery Life (with case) | Up to 20 hours |
| Earphone Battery Capacity | 30mAh |
| Charging Case Battery Capacity | 300mAh |
| Charging Time | Approx. 1.5 hours |
| Weight (per earbud) | Approx. 3.9g |
| Waterproof | Yes |
| Sound Isolating | Yes |
| Active Noise-Cancellation | No |
| Voice Assistant Built-in | No (supports activation of phone's assistant) |
| Control Button | Yes (Touch Control) |
| Volume Control | Yes |
| Material | Metal, Plastic |

Image: Detailed Headphone Parameters.
User Tips
- For the best sound quality and bass response, ensure the earbuds fit snugly in your ear canal.
- Experiment with different ear tip sizes (if provided) to find the most comfortable and secure fit.
- Keep your charging case powered up to enjoy the full 20 hours of battery life on the go.
- When switching between Music and Game modes, listen for the audio prompt to confirm the change.
Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please refer to the contact information provided by your retailer or the official Monster support channels. Keep your proof of purchase for warranty validation.





