1. Introduction
Thank you for choosing the Monster G02MKⅡ Desktop Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it carefully to ensure optimal performance and longevity of your device.

2. Package Contents
Please check the box for the following items:
- 1 x Monster G02MKⅡ Multimedia Speaker
- 1 x USB Charging Cable
- 1 x 3.5mm AUX Audio Cable
- 1 x User Manual

3. Product Overview
Familiarize yourself with the speaker's interfaces and controls:

- Multi-function Button: Typically used for Play/Pause and power control.
- DC5V (Type Interface): Power input port, usually USB-C.
- USB Interface: For connecting USB storage devices for audio playback.
- AUX Interface: 3.5mm audio input for wired connections.
- TF Interface: Slot for TF (MicroSD) cards for audio playback.
4. Setup
4.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB charging cable to the DC5V port on the speaker and the other end to a USB power adapter (not included) or a computer's USB port. The charging time is approximately 3.5 hours for a full charge.

4.2 Power On/Off
Press and hold the Multi-function Button to power the speaker on or off.
5. Operating Instructions
5.1 Bluetooth Pairing
- Power on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing LED light.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Monster G02MKⅡ" from the list.
- Once paired, the LED indicator will become solid, and you will hear a confirmation sound.

5.2 Wired Connection (AUX)
Connect one end of the 3.5mm AUX audio cable to the AUX Interface on the speaker and the other end to the audio output jack of your device (e.g., computer, laptop, MP3 player). The speaker will automatically switch to AUX mode.

5.3 USB/TF Card Playback
Insert a USB flash drive into the USB Interface or a TF (MicroSD) card into the TF Interface. The speaker will automatically detect and play audio files (MP3 format supported) from the storage device.
5.4 Basic Controls
- Play/Pause: Short press the Multi-function Button.
- Volume Control: Rotate the Multi-function Button (if it's a knob) or use your connected device's volume controls.
5.5 Sound Modes
The speaker features a 3D Surround Sound Mode and Full-Range Audio Crossover for an immersive audio experience. These are typically activated automatically or can be adjusted via the connected device's audio settings.

6. Specifications
| Feature | Specification |
|---|---|
| Product Type | Multimedia Computer Game Speaker |
| Product Model | G02MKⅡ (AIRMARS GU2MK II) |
| Brand Name | MONSTER |
| Bluetooth Version | V5.3 |
| Bluetooth Transmission Distance | ≥10m |
| Battery Capacity | 1200mAh 3.7V |
| Charging Time | About 3.5 hours |
| Play Time | About 4 hours |
| Frequency Response | 60Hz-18KHz |
| Speaker Impedance | 4Ω±15% |
| Input Power | <25 W |
| Sound Mode | 3D Surround Sound Mode |
| Audio Crossover | Full-Range |
| Number of Loudspeaker Enclosure | 1 |
| Cabinet Material | Plastic |
| Sabwoofer Cabinet Material | Plastic |
| Tweeter Material | Other |
| Acoustic Enclosure | Other |
| Voice Control | Yes |
| Support APP | Yes |
| Playback Function | MP3 |
| Channels | 2 (2.0) |
| Feature | Play Video (Audio synchronization for video playback) |
| Waterproof | No |
| Display Screen | No |
| Remote Control | No |
| Power Source | USB |
| USB Cable Length | About 1.2m |
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's surface. Do not use abrasive cleaners or solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the speaker frequently. Charge it regularly, even if not in use for extended periods.
- Non-slip Base: The speaker features a silicone non-slip base. Ensure it is clean and free of debris for stable placement.

8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not power on | Ensure the battery is charged. Connect the USB charging cable and try again. |
| No sound | Check volume levels on both the speaker and the connected device. Ensure the correct input mode (Bluetooth, AUX, USB, TF) is selected. |
| Bluetooth pairing fails | Make sure the speaker is in pairing mode. Disable and re-enable Bluetooth on your device. Move the speaker closer to your device (within 10m). Clear previous Bluetooth connections on your device. |
| Sound distortion | Reduce the volume on both the speaker and the connected device. Ensure the audio source is of good quality. |
| USB/TF card not playing | Ensure the audio files are in MP3 format. Check if the USB drive or TF card is properly inserted and not corrupted. |
9. User Tips
- Optimal Placement: For the best 3D surround sound experience, place the speaker centrally in front of your listening position, ideally at ear level.
- Versatile Connectivity: Utilize the 3.5mm AUX input for devices without Bluetooth, or for a stable, lag-free connection during critical gaming sessions.
- Power Saving: To conserve battery, remember to power off the speaker when not in use.
- Gaming Enhancement: The speaker's panoramic audio and video sound effects are optimized for gaming, providing an immersive experience.

10. Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact your retailer or the manufacturer's customer service. Keep your purchase receipt as proof of purchase.





