1. Product Overview
The Monster GT27 Wireless Headphones are designed for comfort and high-quality audio, featuring an open-ear design, Bluetooth 6.0 connectivity, and Environmental Noise Cancelling (ENC) for clear calls. These lightweight earbuds are suitable for various activities, including sports and daily use.
2. Package Contents
- Monster GT27 Wireless Earbuds (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual
3. Setup and First Use
3.1. Charging the Device
- Before first use, fully charge the charging case and earbuds.
- Connect the provided USB Type-C cable to the charging port on the case and a power source.
- The charging case takes approximately 2 hours to fully charge.
- The earbuds will charge automatically when placed inside the powered charging case, taking about 1.5 hours for a full charge.
3.2. Pairing with a Device
- Open the lid of the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for available Bluetooth devices and select "Monster GT27" from the list.
- Once selected, the earbuds will connect automatically. A voice prompt will confirm successful pairing.
- The earbuds support multi-device compatibility and instant connection upon opening the lid.
3.3. Wearing the Earbuds
The GT27 earbuds feature an open-ear, ear-clip design for comfort and awareness of your surroundings. Place the ear clip over your ear, ensuring the speaker portion is positioned correctly near your ear canal without entering it. This design prevents sweating and blockage, allowing your ears to breathe freely.
4. Operating Instructions
The Monster GT27 earbuds utilize Multi-Function Buttons (MFB) for various controls.
4.1. Music Playback
- Play/Pause: Double click on the left or right MFB.
- Previous Song: Long press for 2 seconds on the left MFB.
- Next Song: Long press for 2 seconds on the right MFB.
4.2. HD Calling
- Answer Phone: Double click on the left or right MFB.
- Hang Up Phone: Double click on the left or right MFB.
- Reject Phone Call: Long press for 2 seconds on the left or right MFB.
4.3. Volume Adjustment
- Volume Reduction: Click on the left MFB.
- Volume Increase: Click on the right MFB.
4.4. Voice Assistant
- Voice Wake-up: Three clicks on the left or right MFB.
5. Maintenance and Care
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The earbuds are waterproof, making them suitable for workouts and sports. However, avoid submerging them in water for extended periods. Ensure they are dry before placing them back in the charging case.
- 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.
- Battery Care: To prolong battery life, avoid fully discharging the earbuds and charging case frequently. Charge them regularly, even if not in constant use.
6. Troubleshooting
6.1. Connection Issues
- Earbuds not pairing: Ensure both earbuds are in the charging case, then open the lid to re-enter pairing mode. On your device, forget the "Monster GT27" Bluetooth connection and try pairing again.
- Only one earbud working: Place both earbuds back into the charging case, close the lid, wait a few seconds, then open it again. This often resets the connection between the two earbuds.
- Intermittent connection: Ensure your device is within the 10m wireless range. Avoid obstacles between your device and the earbuds.
6.2. Sound Issues
- No sound: Check the volume levels on both your device and the earbuds. Ensure the earbuds are properly connected to your device.
- Low volume: Increase the volume using the MFB on the right earbud or your connected device.
- Poor sound quality: Ensure the earbuds are clean and free from debris. Check for interference from other wireless devices.
6.3. Charging Issues
- Earbuds not charging: Ensure the charging case has sufficient power. Check that the earbuds are correctly seated in the charging case.
- Charging case not charging: Verify the USB Type-C cable is securely connected to both the case and the power source. Try a different cable or power adapter.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | MONSTER |
| Model | GT27 |
| Wireless Type | Bluetooth |
| Bluetooth Version | 6.0 |
| Communication | Wireless |
| Style | Open Ear Clip Headphones (OWS) |
| Earcups Type | Semi-open |
| Material | PVC, ABS, Silica Gel |
| Earbud Weight | 7.5g (unilateral) |
| Total Product Weight | 120g |
| Maximum Wireless Range | <10m |
| Number Of Drivers | 2 |
| Charging Method | Charging case, Type-C |
| Headphone Pads Material | Silicone |
| Impedance Range | up to 32 Ω |
| Microphone | Yes (Silicon microphone) |
| Waterproof | Yes |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 30dB |
| Active Noise-Cancellation | Yes (ENC Noise Cancelling) |
| Volume Control | Yes |
| Voice Assistant Built-in | Yes |
| Earbud Single Use Battery Life | Up to 8 hours |
| Total Battery Life (with case) | Up to 48 hours |
| Earbud Charging Time | 1.5 hours |
| Case Charging Time | 2 hours |
| Speaker Specifications | 15*11mm 16Ω |
| Supported Protocols | SPP/HID |
| Frequency Range | 2.4-2.48GHz |
| Battery Type | 400mAh (Charging Case) |
8. User Tips
- Environmental Awareness: The open-ear design allows you to hear your surroundings, which is beneficial for outdoor activities like running or cycling.
- Comfort for Long Wear: The lightweight (7.5g per earbud) and ergonomic ear-clip design are intended for extended wear without discomfort.
- Quick Connectivity: Take advantage of the instant connection feature by simply opening the charging case lid to pair with your last connected device.
9. Warranty and Support
For warranty information and technical support, please refer to the official Monster website or contact the retailer where you purchased the product. Keep your proof of purchase for any warranty claims.
