Question about Insta360 X3

With a 1TB memory card and 360° recording in 5.7K at 30 frames per second, it can hold around 3 to 4 hours of video.

The Insta360 X3 records 360° videos in 5.7K at 30 fps, whereby the data rate for 5.7K 360° videos is typically around 60-80 Mbps. With 1 terabyte (approx. 8,000,000 Mbit) of memory, this corresponds to around 3 to 4 hours of recording time. The exact duration may vary slightly depending on the compression and recording conditions.