The Terea sticks are designed to be used with any device from the IQOS ILUMA range. This range includes the IQOS ILUMA, IQOS ILUMA ONE, and the IQOS ILUMA PRIME. Terea sticks can only be used in the IQOS ILUMA range of heat not burn devices, they can't be used in previous versions of the IQOS kit. This is because the ILUMA series of kits feature IQOS' new Smart Core Induction System which heats the sticks differently therefore you can't use Heets in an ILUMA kit, or Terea in any of the older IQOS kits.