Not bad
This is short, but acceptable. It sounds like a decent backing track, but I could suggest the best use for this is with voices, for when there are radio-based communications. It literally sounds like you've recorded a static track off the radio.
Still, I'll not suggest that you could be so shallow and I'll instead say that you've come up with a decent loop. I'd say it needs to be longer, because in this guise, you might need to increase the variation, sot hat the viewer doesn't spot what it is that you've done.
[Review Request Club]