Monster GT27 Open Ear Earbuds User Manual
Model: GT27
1. Product Overview
The Monster GT27 Open Ear Earbuds are designed for comfort and high-quality audio, featuring an open-ear design that allows you to stay aware of your surroundings. They are lightweight, durable, and equipped with advanced Bluetooth 6.0 technology and ENC noise cancellation for clear calls.
2. Package Contents
Please check the package for the following items:
- Monster GT27 Open Ear Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
3. Setup and Pairing
3.1 Initial Charge
Before first use, fully charge the earbuds and the charging case. Connect the charging case to a power source using the provided USB Type-C cable. The earbuds will charge automatically when placed in the case.
- Earphone charging time: Approximately 1.5 hours
- Charging case full charge time: Approximately 2 hours
3.2 Pairing with Your Device
The Monster GT27 earbuds feature instant connection upon opening the lid. There is no distinction between primary and secondary ear connections, allowing for seamless multi-device compatibility.
- Ensure your device's Bluetooth is turned on.
- Open the lid of the charging case. The earbuds will automatically enter pairing mode.
- On your device, search for "Monster GT27" in the Bluetooth settings and select it to connect.
- Once connected, you will hear an audio prompt, and the earbuds will be ready for use.
4. Operating Instructions
4.1 Wearing the Earbuds
The GT27 earbuds feature an OWS (Open Wearable Stereo) ear clip design, providing a comfortable and stress-free fit for long-term wear. They are designed to sit outside the ear canal, allowing natural sensing of environmental sounds and enabling your ears to breathe freely.
4.2 Controls (Multi-Function Button - MFB)
The earbuds are equipped with Multi-Function Buttons (MFB) on both the left and right earbuds for easy control of music, calls, and voice assistant.
- Music Playback:
- Play/Pause: Double click on the left/right MFB
- Previous song: Long press for 2 seconds on the left MFB
- Next song: Long press for 2 seconds on the right MFB
- HD Calling:
- Answer the phone: Double click on the left/right MFB
- Hanging up the phone: Double click on the left/right MFB
- Reject phone call: Long press for 2 seconds on the left/right MFB
- Volume Adjustment:
- Volume reduction: Click on the left MFB
- Volume increase: Click on the right MFB
- Voice Assistant:
- Voice wake-up: Three clicks on the left/right MFB
4.3 ENC Noise Cancellation
The earbuds feature ENC (Environmental Noise Cancellation) technology, which uses a built-in intelligent call noise reduction algorithm to filter out background noise during calls, ensuring clear communication.
5. Maintenance
5.1 Waterproof Design
The Monster GT27 earbuds are waterproof, making them suitable for workouts and sports. They can withstand sweat and splashes. However, they are not designed for submersion in water.
5.2 Cleaning
To maintain optimal performance and hygiene, regularly clean your earbuds and charging case. Use a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals.
5.3 Storage
When not in use, store the earbuds in their charging case to protect them from dust and damage. Store in a cool, dry place away from extreme temperatures.
6. Troubleshooting
- Earbuds not connecting/pairing:
- Ensure the earbuds are charged and the charging case lid is open.
- Turn off and on your device's Bluetooth.
- Forget the device in your Bluetooth settings and try pairing again.
- Ensure the earbuds are within the 10m wireless range.
- Cannot answer/disconnect calls:
- Verify the earbuds are properly connected to your phone.
- Ensure the MFB controls are being pressed correctly as per the operating instructions.
- Restart your phone and reconnect the earbuds.
- Short battery life:
- Ensure both earbuds and charging case are fully charged before use.
- Actual battery life may vary based on volume level and usage patterns.
- If battery life is significantly shorter than expected (e.g., less than 6 hours for single use), contact customer support.
- Sound quality issues:
- Ensure earbuds are clean and free from debris.
- Check the audio source for quality issues.
- Ensure the earbuds are securely and correctly positioned on your ears.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | MONSTER |
| Model | GT27 |
| Style | OWS Ear Clip Headphones |
| Material | PVC, ABS, Silica Gel |
| Weight (Earbuds) | 7.5g per earbud |
| Weight (Total Package) | 120g |
| Earcups Type | Semi-open |
| Vocalism Principle | Dynamic |
| Number Of Drivers | 2 |
| Speaker Specifications | 15*11mm 16Ω |
| Impedance Range | up to 32 Ω |
| Sensitivity | 30dB |
| Wireless Type | Bluetooth |
| Bluetooth Version | 6.0 |
| Max Wireless Range | <10m |
| Supported Protocols | SPP/HID |
| Frequency Range | 2.4-2.48GHz |
| Communication | Wireless |
| With Microphone | Yes (Silicon microphone) |
| Active Noise-Cancellation | Yes (ENC) |
| Voice Assistant Built-in | Yes |
| Volume Control | Yes |
| Control Button | Yes (Multi-Function Button) |
| Waterproof | Yes |
| Charging Method | Charging case (Type-C connector) |
| Battery Type | 400mAh (Charging Case) |
| Earphone Single Use Battery Life | Up to 8 hours |
| Total Battery Life (with case) | Up to 48 hours |
| Charging Case Thickness | 10mm |
8. User Tips
- Many users find the earbuds to fit perfectly and be very comfortable for extended wear.
- The lightweight and convenient design makes them easy to carry and use on the go.
- The sound quality for phone calls is generally reported as excellent.
- While the product offers good quality for its price, ensure your expectations align with its features.
9. Warranty and Support
For any issues not covered in this manual, or for warranty inquiries, please contact the seller or manufacturer directly. Keep your proof of purchase for warranty claims.