How do IQOS models differ with IQOS ORIGINALS and from each other?

•    IQOS ORIGINALS contains our IQOS HeatControl™ technology using a unique ceramic blade to optimally heat the tobacco. This flat wide blade with platinum and gold tracks on its surface inserts into the tobacco heating stick, heating it to release real tobacco taste.
•    IQOS ORIGINALS ONE is an all in one compact device that offers up to 20 experiences on one full charge including 3 consecutive uses, while IQOS ORIGINALS DUO also offers up to 20 experiences on one full charge as well as more accessories to personalise your device.