none of your video are 4k with high bitrate, they are all 1344x656 with about 2500kb/s with h264
if i take
they are what he say
using ffprobe on your video
Stream #0:0[0x1](und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuvj420p(pc, progressive), 1344x656, 2347 kb/s, 29.84...