Based on the packaging, this is an all-in-one car seat and stroller. It is designed to transform from one to the other in seconds without needing a separate stroller frame.
Key Features
2-in-1 Design: Functions as both a rear-facing infant car seat and a compact stroller.
Simple Operation: The wheels fold and unfold with one motion.
Travel-Ready: Ideal for quick errands, public transport, or air travel.
Size Limits: Typically fits infants from 4 to 35 lbs (up to 13kg).
This design is most famously used by the Doona brand, though several similar "4-in-1" hybrid models exist.