This is a Joinfit hexagonal mini-trampoline, also known as a fitness rebounder, designed for cardio workouts.
Design: Hexagonal frame with a yellow jumping mat and bungee cords instead of springs for a quieter bounce.
Features: Often comes with a handle bar for stability and can have a max weight capacity of around 120 kgs.
Usage: Ideal for indoor use due to its compact size and quiet operation.