You can breath in air and water. Additionally you have a swim speed equal to your walking speed

You can speak bullywug. Additionally you can communicate simple ideas with amphibians

You can gain advantage on any Charisma (Persuasion) check. You can use this feature proficiency bonus times per long rest 

You can take the disengage action as a bonus action. Additionally you have advantage on Strength (athletics) checks and Dexterity (acrobatics) checks to avoid or end a grapple. 

Your long jump is 20 feet and your high jump is 10 feet without a running start. Additionally if you jump at least 10 feet anf hit a creature, that creature must make a Strength saving throw (DC = 8 + proficiency bonus + constitution modifier) or be knocked prone