You've got 4 rounds of 5 minutes, rounds 1 & 3 are very little break, but you'll get the chance to catch your breath in rounds 2 & 4, so make sure to give it everything in those sweaty rounds!
Working your entire body, and getting the heart rate up!
Equipment free options:
Swap out the skipping for high knees & do the same slider & resistance band exercises without the equipment.