Kindly pls use the VLC player, it works really good on both Windows and Mac, It generally plays anything.
Here it is download link: https://www.videolan.org/
You can try VLC media player version.

A computer that plays 4K videos requires the following configuration:

1) CPU and Memory: It is recommended to choose a 13th or 12th generation CPU with 8 or 12 cores or more. 32GB of memory will make the system smoother

2) Graphics card: 4K video playback requires support from the graphics card, with at least 6GB of video memory and a graphics card output resolution of 3840x2160

3) Display: A 4K resolution screen is necessary

Kindly pls try the below steps to settle the connection:
1. Turn off glasses totally before connecting it with PC
2. As Mac is C port, and our cable is USB-C port, you need to plug the " C port Converter " , you can find it in package. 

If no sound is heard, please check the config.txt file as audio may be disabled by default.
Audio Enablement Instructions for Your Glasses

• Connect the glasses to your computer using the supplied USB cable.
• Locate the "config.txt" file in the glasses' storage directory.
• Open "config.txt" with a text editor (e.g., Notepad or TextEdit).
• To modify settings:
• To enable audio:
• Safely disconnect the USB cable from the computer.
• Restart the glasses and begin video recording to apply changes.
• Verification: Audio should now be enabled.

Note: If issues persist, please confirm the file was saved correctly and the glasses were rebooted.

You can adjust the video resolution by modifying the config.txt file in your glasses. Please follow these steps carefully:

1. Connect the glasses to your computer using the provided USB cable.
2. Navigate to the glasses' storage directory to locate the "config.txt" file.
3. Open "config.txt" using a text editor (e.g., Notepad or TextEdit).
4. To enable settings modification:
5. To adjust video resolution:
6. Save the changes to the config.txt file
7. Safely disconnect the USB cable from your computer
8. Restart the glasses and begin video recording to apply the new settings

Note: All changes will take effect after restarting the device. For optimal performance, please ensure you select a supported resolution option.

Please follow these steps carefully to format your glasses:

1. Connect the glasses to your computer using the provided USB cable.
2. Locate the configuration file:
3. Open the configuration file:
4. Enable settings modification:
5. Initiate formatting:
6. Disconnect safely:
7. Complete the process:

Important Notes:

• Formatting will erase all existing settings
• Ensure your glasses have sufficient battery before starting
• Do not interrupt the process once initiated

Pease do not use fast charging cable or fast charging adaptor to charge the glasses,just use our USB cable to charge by power bank or computer.

Follow these steps to enable WiFi streaming: Guide Video

1. Install the Companion App

Download either the Vizen Cam App or Aimcam App from your mobile app store

2. Activate Glasses WiFi

* Power on your glasses (red LED will flash)

* Press the control button twice to enable WiFi (blue LED will illuminate)

3. Establish Connection

* Enable WiFi on your mobile device
* Select "Sunglasses XXXX" from available networks
* Once connected, you can begin video streaming

For further assistance, please don't hesitate to contact our support team.

Lens Replacement Guide Video

To Remove Lenses:

1. Locate the top corner of the lens
2. Apply gentle pressure with your thumb to push the lens outward
3. Continue applying steady pressure until you hear/feel the lens click out of position
4. Carefully remove the lens from the frame

To Install New Lenses:

1. Align the top corner of the new lens with the corresponding frame groove
2. Gently press the lens edge into the frame starting at the top corner
3. Gradually work your way around the frame, applying even pressure
4. Ensure the lens snaps securely into place around the entire perimeter

Important Notes:

• Handle lenses by their edges to avoid fingerprints
• Work on a clean, soft surface to prevent damage
• If resistance is felt, do not force - realign and try again
• Ensure both lenses are securely seated before wearing

1. Here is the video guide to take off the goggle lens.

2. Here is the video guide to put on the goggle lens.