You’ll need to prepare a microSD card for saving videos and photos. The microSD card must meet the following requirements:
1. Has a speed level of UHS-I V30 or higher
2. Support a maximum capacity of 256 GB
3. File system: exFAT
For the list of recommended microSD cards, please visit: The recommended microSD list.

Note:
1. Please keep your hands clean and dry when handling the microSD card and do not touch its metal part. If there is any dust or dirt on the microSD card or camera, you can use a soft cloth or eraser to wipe it. Avoid using chemical or liquid cleaners to prevent potential damage to the camera and microSD card.
2. Do not remove the microSD card when recording videos, taking photos or playing back, otherwise the file may be lost or the camera may be damaged.
3. Do not format the microSD card or modify the files when it is inserted into other devices. Before transferring files to other devices, it is recommended to backup the files first to avoid file loss or damage.
4. The performance of the microSD card will gradually deteriorate over time and affect the camera's function of saving media files. If any problem occurs, please replace the card with a new one.
5. Regularly formatting the microSD card helps to keep the favorable status. However, formatting the microSD card will erase all files on the card, so please be sure to back up the files in advance.
6. If necessary, please refer to the manufacturer's guide of the microSD card for information on the acceptable temperature range and other details.