Introduction
The Monster Mission 350 Wireless Gaming Headset is designed to provide an immersive audio experience for gaming across multiple platforms. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your headset to ensure optimal performance.
What's in the Box
Carefully unpack all items and ensure the following components are present:
- Monster Gaming Headset Mission 350 x1
- Type-C Charging Cable x1
- 2.4GHz Transmitter x1
- Type-C to 3.5mm Audio Cable x1
- User Manual x1

Product Overview and Controls
Familiarize yourself with the headset's controls and ports:

- Volume Slider Button: Adjusts audio output level.
- 'M' Button (Mode Switching): Cycles through 4 different RGB lighting effects.
- Previous Song Button: Skips to the previous audio track.
- Next Song Button: Skips to the next audio track.
- USB-C Charging Port: For charging the headset battery.
- Indicator Light: Displays connection status, charging status, and power.
- MIC Port (External): Connects the detachable microphone.
- MIC (Built-In): Internal microphone for basic communication.
- Power Button:
- ON/OFF: Long press for 5 seconds.
- Play/Pause: Press once.
- Answer/Hang up calls: Press once.
- Reject calls: Long press for 2 seconds.
Setup
1. Initial Charging
Before first use, fully charge the headset. Connect the Type-C charging cable to the headset's USB-C port and the other end to a USB power source. The indicator light will show charging status and turn off or change color when fully charged (approximately 2 hours).
2. Attaching the Microphone
Insert the detachable microphone into the MIC port on the headset until it clicks into place. Ensure it is securely connected for clear voice communication.

3. Connecting via 2.4GHz Wireless (for PC, PS4, PS5, Switch Dock, Xbox Series X/S)
- Plug the 2.4GHz USB transmitter into an available USB port on your gaming device (PC, console, etc.).
- Power on the headset by long-pressing the Power button for 5 seconds.
- The headset will automatically attempt to connect to the transmitter. The indicator light will show a stable connection when paired.
- Ensure the headset is selected as the audio output and input device in your system settings.
4. Connecting via Bluetooth 6.0 (for Mobile, Laptop, Switch Handheld)
- Power on the headset by long-pressing the Power button for 5 seconds.
- Activate Bluetooth pairing mode on the headset (refer to the specific control diagram for Bluetooth pairing button, usually a long press on the power button or a dedicated button). The indicator light will flash rapidly.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings and search for available devices.
- Select "Monster Mission 350" from the list to pair. The indicator light will become stable once connected.

5. Connecting via 3.5mm Audio Cable
For wired connections or devices without wireless capabilities:
- Connect one end of the Type-C to 3.5mm audio cable to the headset's Type-C port.
- Connect the 3.5mm jack end to the audio output port of your device.
- The headset will operate in passive mode, drawing no power from its internal battery.

Operating Instructions
Power On/Off
To power on or off the headset, long-press the Power button for 5 seconds.
Volume Control
Use the Volume Slider button on the headset to increase or decrease the audio volume.
Microphone Usage
The detachable microphone provides clear voice input. Ensure it is properly connected. For mute/unmute functionality, refer to your device's audio settings or specific game controls.
RGB Lighting Effects
Press the 'M' button to cycle through the 4 available RGB lighting effects on the earcups. This allows for customization of the headset's appearance.

Virtual 7.1 Surround Sound
The headset features virtual 7.1 surround sound for enhanced positional audio. This feature is typically enabled automatically when connected via 2.4GHz wireless to compatible devices (e.g., PC). For PC, ensure the appropriate audio drivers or software are installed and configured for 7.1 surround sound.

Switching Between Wireless Modes
To switch between 2.4GHz wireless and Bluetooth modes, ensure both are paired. The headset prioritizes the active connection. Disconnect from one mode on your device to switch to the other, or use the headset's mode button if available (refer to product overview for specific button functions).
Maintenance
Cleaning
Wipe the headset with a soft, dry cloth. Do not use abrasive cleaners, alcohol, or solvents. Avoid getting moisture into any openings.
Storage
Store the headset in a cool, dry place away from direct sunlight and extreme temperatures. When not in use for extended periods, ensure the headset is fully charged before storage to preserve battery health.
Battery Care
The headset features a high-capacity battery. To maximize battery lifespan, avoid fully discharging the battery frequently. Recharge the headset when the battery level is low. The headset offers approximately 90 hours of gaming playtime on a full charge.

Troubleshooting
- No Sound:
- Ensure the headset is powered on and charged.
- Check volume levels on both the headset and your connected device.
- Verify the correct audio output device is selected in your system settings.
- For wireless connections, ensure the headset is properly paired to the 2.4GHz transmitter or via Bluetooth. Try re-pairing.
- If using the 3.5mm cable, ensure it is fully inserted into both the headset and the device.
- Microphone Not Working:
- Ensure the detachable microphone is securely attached.
- Check if the microphone is muted in your device's settings or game.
- Verify the correct audio input device is selected in your system settings.
- Test the microphone on another device if possible.
- Connection Issues (Wireless):
- Ensure the headset and transmitter/Bluetooth device are within range (up to 33 feet for Bluetooth).
- Avoid interference from other wireless devices.
- Try restarting both the headset and the connected device.
- For 2.4GHz, try plugging the transmitter into a different USB port.
- RGB Lights Not Working:
- Ensure the headset is powered on.
- Press the 'M' button to cycle through lighting effects.
- Check battery level; low battery might disable RGB lights.
Specifications
| Feature | Specification |
|---|---|
| Model Number | Mission 350 |
| Connectivity | 2.4GHz Wireless, Bluetooth 6.0, 3.5mm Audio Jack |
| Bluetooth Range | Up to 33 Feet (10 meters) |
| Audio Driver Size | 50 mm Dynamic Drivers |
| Frequency Response | 20 Hz - 20,000 Hz |
| Impedance | 32 Ohms |
| Sensitivity | 120 dB |
| Battery Life (Gaming) | Up to 90 Hours |
| Battery Charge Time | Approximately 2 Hours |
| Microphone | Detachable, Noise-Cancelling |
| Surround Sound | Virtual 7.1 |
| Weight | 0.54 Kilograms |
| Materials | Leather, Metal, Plastic |


Warranty Information
The Monster Mission 350 Wireless Gaming Headset comes with a 3-month warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Support
For further assistance, technical support, or warranty inquiries, please refer to the contact information provided on the official Monster website or the support details included with your product packaging. You may also visit the Monster Store on Amazon for additional product information.





