Adaptable on electronic cigarettes cubis cubis pro cubis pro mini ego aio models from joyetech. works only in vw.. . - brand: joyetech. . - features: suitable for: ego aio / cubis. . additional information: for indirect inhalation. classic tight draw. . - dimensions: . length x diameter (cm): . 1.6x1cm. . - definition of terms: . tc (temperature control): direct definition of the resistance heating temperature.. . tcr (temperature coefficient of resistance): temperature control with customizable settings.. . vw (variable wattage): power adjusts according to the connected atomizer or its resistance.