1. Overview
The Monster Persona 3rd ANC Bluetooth Headphones are designed to provide a rich, immersive audio experience with advanced features for comfort and convenience. These over-ear headphones deliver clear and balanced sound across all frequencies, supported by high-fidelity drivers and precision engineering.
Key features include:
- Pure Monster Sound: High-fidelity drivers ensure clear and balanced audio.
- Extended Playtime: Up to 70 hours of battery life for prolonged listening.
- Premium Comfort: Plush sponge cushioning and adjustable headband for extended wear.
- Three Music Modes: Standard, Active Noise Cancellation (ANC), and Transparency modes.
- Multipoint Connection: Seamless switching between two Bluetooth 5.4 devices.
- Ultra Comfort and Convenient Carry: Foldable design for portability.
2. Setup and Pairing
2.1 Initial Pairing
- Ensure the headphones are fully charged or have sufficient battery.
- Press and hold the Power button on the headphones until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings.
- Select "Monster Persona 3rd ANC" from the list of available devices.
- Once connected, the LED indicator will turn solid blue.
2.2 Multipoint Connection
The headphones support connecting to two Bluetooth devices simultaneously. To use this feature:
- Connect the headphones to your first device as described in section 2.1.
- Disable Bluetooth on the first device.
- Put the headphones back into pairing mode and connect to your second device.
- Re-enable Bluetooth on the first device. The headphones should now be connected to both devices, allowing seamless audio switching.

Image: Fast Connection with Bluetooth 5.4. This image illustrates the advanced connectivity options, including Bluetooth 5.4 for stable connections and a Type-C port for charging and data transfer.
3. Operating Controls
The headphones feature intuitive push-button controls located on the earcups for easy management of audio playback, calls, and noise control modes.
- Power On/Off: Press and hold the Power button.
- Play/Pause: Single press the Multi-function button.
- Volume Up/Down: Press the Volume + or Volume - buttons.
- Next/Previous Track: Long press Volume + for next, Long press Volume - for previous.
- Answer/End Call: Single press the Multi-function button.
- Reject Call: Press and hold the Multi-function button.
- Activate Voice Assistant: Triple press the Multi-function button.
- Switch Music Modes: Press the dedicated ANC button to cycle through Standard, ANC, and Transparency modes.
4. Music Modes
The Monster Persona 3rd ANC headphones offer three distinct listening modes to adapt to your environment and preferences:
- Standard Mode: Provides a balanced sound profile for everyday listening without active noise cancellation or transparency features.
- Active Noise Cancellation (ANC) Mode: Effectively reduces ambient noise, allowing you to focus on your audio without distractions. Ideal for travel or noisy environments.
- Transparency Mode: Enhances your awareness of ambient sounds, making it suitable for situations where you need to stay connected to your surroundings, such as walking in a city or listening for announcements.

Image: Three Music Modes. This graphic illustrates the three distinct listening modes: Balanced, ANC, and Transparency, allowing users to customize their audio experience.
5. Charging and Battery Life
The headphones boast an impressive battery life of up to 70 hours on a single charge, ensuring extended audio enjoyment. They feature a Type-C port for fast charging.
5.1 Charging Instructions
- Connect the provided Type-C charging cable to the charging port on the headphones.
- Connect the other end of the cable to a compatible USB power source (e.g., wall adapter, computer USB port).
- The LED indicator will show charging status (e.g., red for charging, green/off for fully charged).

Image: 70 Hours Playtime. This image highlights the impressive 70-hour battery life of the headphones, ensuring long periods of uninterrupted listening.
6. Comfort and Design
The Monster Persona 3rd ANC headphones prioritize user comfort and portability. They feature plush sponge cushioning on the ear cups and an adjustable headband to ensure a comfortable fit for extended periods of wear.
The compact folding design allows the headphones to be easily folded into a smaller size, making them perfect for slipping into a bag or pocket when not in use. This feature is particularly useful for travelers and commuters.

Image: All Day Comfort. This image showcases the comfort features like simulated leather earcups, foldable design, adjustable headband, and 90-degree swivel for optimal fit and portability.
7. Maintenance and Care
To ensure the longevity and optimal performance of your Monster Persona 3rd ANC headphones, follow these care guidelines:
- Cleaning: Use a soft, dry cloth to clean the earcups and headband. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the headphones in a cool, dry place, preferably in their original case or a protective pouch. Utilize the foldable design for compact storage.
- Avoid Moisture: Do not expose the headphones to water or excessive moisture.
- Temperature: Avoid extreme temperatures, both hot and cold, as they can affect battery life and component integrity.
8. Troubleshooting
If you encounter any issues with your headphones, refer to the following common solutions:
- No Power: Ensure the headphones are charged. Connect them to a power source using the Type-C cable.
- No Sound: Check the volume levels on both the headphones and your connected device. Ensure the headphones are properly paired via Bluetooth or connected via the wired audio input.
- Pairing Issues: Turn off and on the Bluetooth on your device. Reset the headphones by powering them off and then back on. Clear previous Bluetooth connections on your device and try pairing again.
- ANC Not Working: Ensure ANC mode is activated. Check for any obstructions or improper fit that might affect noise cancellation performance.
- Wired Connection: Ensure the C-C audio cable is fully inserted into both the headphone and the audio source. Note that only C-C audio cable usage is supported for wired audio input.
9. Specifications
| Model Name | Persona 3rd ANC |
| Item Model Number | MH22231 |
| Brand | Monster |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.4 |
| Special Features | Active Noise Cancellation, Bluetooth Multipoint Connection |
| Noise Control | Active Noise Cancellation |
| Battery Average Life | 70 Hours |
| Headphones Jack | 3.5 mm Jack (wired audio input supports C-C audio cable usage) |
| Control Method | Push Button |
| Material | Plastic/Fabric |
| Color | Black |
| Form Factor | Over Ear |
| Compatible Devices | Smartphones, Tablets, Laptops, Desktops, Bluetooth-enabled Cars, Smart Home Devices |
10. Warranty and Support
For warranty information, technical support, or customer service inquiries, please refer to the official Monster website or contact your retailer. Keep your proof of purchase for warranty claims.