It is a ultra-small smart detachable wireless charger that shows strong performance up to output.
Macaron-like wireless charger is available from iPhone 12 version
It has usability that fits the 'Magsasfe' ecosystem. When it approaches the back of the phone, it sticks as if it snaps due to magnetism, minimizing energy loss when charging.
It also solves the heating problem which is pointed out in the existing product and shows high-efficiency charging performance.