IQOS HEETS Blue Label Heets Deep Menthol. IQOS has developed an option for adult smokers who would otherwise continue to consume cigarettes and wish to enjoy a true tobacco flavor without the smoke or ash. This product is not meant for non-smokers or former smokers, and it is only compatible with the IQOS device. Do not smoke or use alongside other gadgets. Each HEETS stick has 0.5mg of nicotine, and other flavour variants are available.