Introduction
Thank you for choosing the Monster Persona 3rd ANC Bluetooth Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. Please read this manual thoroughly before use.

Image: The Monster Persona 3rd ANC Bluetooth Headphones in black, showcasing their sleek design.
Setup
1. Unboxing and Package Contents
Carefully remove all items from the packaging. Ensure all components are present:
- Monster Persona 3rd ANC Bluetooth Headphones
- USB Type-C Charging Cable
- 3.5mm Audio Cable
- User Manual (this document)
2. Charging the Headphones
Before first use, fully charge your headphones. Connect the supplied USB Type-C charging cable to the charging port on the headphones and to a compatible USB power source. The LED indicator will show charging status and turn off or change color when fully charged.
3. Power On/Off
- Power On: Press and hold the Power button for approximately 2 seconds until the LED indicator lights up.
- Power Off: Press and hold the Power button for approximately 4 seconds until the LED indicator turns off.
4. Bluetooth Pairing
The Monster Persona 3rd headphones feature Bluetooth 5.4 for stable and fast connections, including multipoint pairing.
- Ensure the headphones are powered off.
- Press and hold the Power button for approximately 5 seconds until the LED indicator flashes rapidly, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Monster Persona 3rd" from the list of devices.
- Once connected, the LED indicator will stop flashing and remain solid blue.
For multipoint connection, pair with the first device, then disable Bluetooth on the first device. Put the headphones back into pairing mode and connect to the second device. Re-enable Bluetooth on the first device; the headphones should now be connected to both.

Image: A close-up view of the headphone's ear cup, highlighting the Bluetooth 5.4 technology and the option for wired connection.
Operating Instructions
1. Controls Overview
The headphones feature intuitive controls located on the ear cups:
| Button/Action | Function |
|---|---|
| Power Button (Long Press 2s) | Power On |
| Power Button (Long Press 4s) | Power Off |
| Power Button (Click X1) | Answer/End Call, Play/Pause Music |
| Power Button (Long Press 1s) | Reject Call, Activate Voice Assistant |
| Volume Up (+) (Click X1) | Increase Volume |
| Volume Up (+) (Long Press 1s) | Next Song |
| Volume Down (-) (Click X1) | Decrease Volume |
| Volume Down (-) (Long Press 1s) | Previous Song |
| ANC Button (Click X1) | Switch ANC Modes (Noise Cancellation, Transparency, Standard) |

Image: A visual guide to the headphone controls, detailing button functions for volume, playback, calls, and ANC mode switching.
2. Music Modes
The headphones offer three distinct listening modes:
- Noise Cancellation Mode: Actively reduces ambient noise, ideal for focused listening in noisy environments.
- Transparency Mode: Allows you to hear your surroundings while listening to audio, enhancing awareness.
- Standard Mode: Provides a balanced sound profile for everyday listening without active noise control.
Switch between modes by pressing the ANC button.

Image: A visual representation of the three music modes: Balanced, ANC (Active Noise Cancellation), and Transparency, with a person enjoying music.
3. Wired Connection
For situations where Bluetooth is not available or preferred, connect the headphones using the supplied 3.5mm audio cable. This provides uninterrupted audio quality.
4. Hands-Free Calling
The built-in microphone allows for clear hands-free calls. Use the Power button to answer, end, or reject calls as described in the controls table.

Image: A user demonstrating hands-free calling with the headphones, showing interaction with a voice assistant.
Maintenance
Proper care ensures the longevity of your headphones:
- Cleaning: Use a soft, dry cloth to clean the ear cups and headband. Avoid harsh chemicals or abrasive materials.
- Storage: When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage.
- Avoid Moisture: Do not expose the headphones to water or excessive moisture.
- Temperature: Avoid extreme temperatures.

Image: A detailed view of the headphone's comfort features, including soft simulated leather earcups, adjustable headband, and foldable design for easy storage.
Troubleshooting
If you encounter issues, refer to the following common solutions:
- No Power: Ensure the headphones are fully charged.
- Cannot Pair: Make sure the headphones are in pairing mode (LED flashing rapidly) and within range of your device. Try restarting both devices.
- No Sound: Check volume levels on both the headphones and your connected device. Ensure the correct audio output is selected on your device. If using a wired connection, ensure the cable is fully inserted.
- Poor Sound Quality: Move closer to your Bluetooth device to reduce interference. Ensure there are no obstructions between the headphones and the device.
- ANC Not Working: Press the ANC button to cycle through the noise cancellation modes.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Persona 3rd |
| Model Number | B0F66KVSPK |
| Connectivity Technology | Wired, Wireless (Bluetooth 5.4) |
| Headphones Jack | 3.5 mm Jack |
| Noise Control | Active Noise Cancellation |
| Special Features | Multipoint Pairing, Noise Cancellation |
| Battery Average Life | 70 Hours |
| Battery Cell Composition | Lithium Ion |
| Form Factor | Over Ear |
| Manufacturer | Monster |

Image: The Monster Persona 3rd ANC headphones, emphasizing their impressive 70-hour playtime.

Image: An exploded diagram of the headphone's internal components, showcasing the technology behind 'Pure Monster Sound'.
Official Product Video
Video: An official product video showcasing the Monster Persona SE ANC Active Noise Cancelling Headphones, highlighting features like ergonomic design, adjustable arms, protein leather air cushions, hybrid 6-mic ANC + ENC noise cancellation, touch controls, and Bluetooth 5.4 instant pairing. This video provides a visual guide to the product's key attributes and user experience.
Warranty and Support
Monster products are designed for durability and performance. For warranty information, technical support, or service inquiries, please refer to the warranty card included in your product packaging or visit the official Monster website. Keep your proof of purchase for warranty claims.
For further assistance, you may contact the seller directly through the platform where the product was purchased.







