1. Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Monster Persona 3rd ANC Active Noise Canceling Headphones. Please read this manual thoroughly to ensure proper use and to maximize your listening experience.

Image: Monster Persona 3rd ANC Headphones in purple, showcasing their sleek design.
2. Package Contents
Before you begin, please verify that all items are present in your package:
- Monster Persona 3rd ANC Headset
- USB Type-C Charging Cable
- Quick Start Guide
3. Setup
3.1 Charging the Headphones
For optimal performance, fully charge your headphones before first use.
- Connect the provided USB 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., computer USB port, USB wall adapter).
- The indicator light will show the charging status. It will turn off or change color when fully charged.
A full charge provides up to 70 hours of playtime in standard mode or 45 hours in wireless Active Noise Cancellation (ANC) mode.

Image: Visual representation of the headphones' extended battery life, highlighting 70 hours of playtime.
3.2 Powering On/Off
- To Power On: Long press the Power button for 2 seconds.
- To Power Off: Long press the Power button for 4 seconds.
3.3 Bluetooth Pairing
The Monster Persona 3rd ANC headphones utilize Bluetooth 5.4 for a stable and fast connection.
- Ensure the headphones are powered off.
- Long press the Power button until the indicator light flashes, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for "Monster Persona 3rd ANC" in the list of available devices.
- Select the headphones to connect. Once connected, the indicator light will stop flashing.
The headphones support simultaneous connection to two devices, allowing seamless switching between them without re-pairing.

Image: Headphones connected to a laptop and a smartphone, demonstrating the ability to connect to two devices simultaneously.
4. Operating Instructions
4.1 Button Functions
The headphones feature intuitive controls for easy management of audio and calls.
| Function | Action |
|---|---|
| Volume Up | Click Volume + button (X1) |
| Next Song | Long Press Volume + button (1s) |
| Volume Down | Click Volume - button (X1) |
| Previous Song | Long Press Volume - button (1s) |
| Play/Pause | Click Power button (X1) |
| Reject Calls/Hang Up | Long Press Power button (1s) |
| Answer Call | Click Power button (X1) |
| Voice Assistant | Long Press Power button (1s) |
| ANC Mode Switching | Click ANC button (X1) |

Image: Detailed diagram of headphone controls and their functions.
4.2 Listening Modes
The headphones offer three distinct listening modes to adapt to your environment:
- Standard Mode: Provides balanced audio for everyday listening.
- Active Noise Cancellation (ANC) Mode: Reduces ambient noise, ideal for noisy environments like public transport or offices.
- Transparency Mode: Allows you to hear your surroundings clearly while still enjoying your audio, enhancing situational awareness.
Switch between modes by clicking the ANC button.

Image: Illustration of the three available music modes: Balanced, ANC, and Transparency.
4.3 Wired Connectivity
In addition to wireless Bluetooth connectivity, the headphones can be used in wired mode. Simply connect a Type-C audio cable (not included) to the headphone's Type-C port and your audio source. This allows for lossless audio quality and continued use even when the battery is depleted.

Image: Headphones being used in a wired configuration, demonstrating seamless wired and wireless switching capabilities.
4.4 Hands-Free Calling
The headphones are equipped with 6 microphones for clear hands-free calling. Use the Power button to manage calls as described in the "Button Functions" table.

Image: A user interacting with a voice assistant via the built-in microphone for hands-free calls.
5. Maintenance
5.1 Cleaning
To maintain the condition and hygiene of your headphones:
- Wipe the earcups and headband with a soft, dry, lint-free cloth.
- For stubborn dirt, lightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid excessive moisture.
- Do not use harsh chemicals, solvents, or abrasive cleaning agents.
- Ensure the charging port and other openings are free of dust and debris.
5.2 Storage
The Monster Persona 3rd ANC headphones feature a foldable design for convenient storage and portability.
- Fold the headphones carefully to prevent damage.
- Store them in a cool, dry place, away from direct sunlight and extreme temperatures.
- If not in use for extended periods, charge the headphones periodically to maintain battery health.

Image: Features highlighting comfort and portability, including simulated leather earcups, foldable design, adjustable headband, and 90-degree earcup swing.
6. Troubleshooting
If you encounter issues with your headphones, please refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect to a power source and try again. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| Active Noise Cancellation (ANC) not effective. |
|
| Wired connection issues. | Ensure you are using a compatible Type-C audio cable. Some cables may not fit securely or support audio transmission. |
If the problem persists after trying these solutions, please contact Monster customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | Monster Persona 3rd ANC |
| Noise Control | Active Noise Cancellation |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Headphones Jack | Supports C-C audio cable |
| Audio Driver Type | Dynamic Driver |
| Earpiece Shape | Over Ear |
| Form Factor | Over Ear |
| Impedance | 10 Ohm |
| Battery Life (Standard Mode) | Up to 70 hours |
| Battery Life (ANC Mode) | Up to 45 hours |
| Microphones | 6 ANC microphones |
| Included Components | Headset, Cable (USB Type-C), Quick guide |
| Item Weight | 0.176 ounces (approx. 5 grams) |
| Package Dimensions | 7.68 x 7.48 x 2.44 inches |
| Manufacturer | Monster |
| Color | Purple |
| Date First Available | December 13, 2024 |
8. Warranty and Support
For information regarding warranty coverage, product registration, or technical support, please visit the official Monster website or contact their customer service department. Keep your proof of purchase for any warranty claims.
Official Monster Store: Visit the Monster Store on Amazon