The One is an exclusive, limited edition product, manufactured by Yocan Technology. The One includes a 650mAh battery that powers a dual quartz rod coil. In the box you will find a water bubbler mouthpiece that perfectly cools the vapor. There is also a grade 2 titanium nail that also attaches to the water bubbler that can be used as a nectar collector to consume concentrate directly from their containers. The One truly elevates the traditional wax pen experience.