About this product

The Yocan Uni Pro Universal Portable Box Mod, which is the upgraded version of Yocan Uni. with the patented universal width and height adjustable box mod that will work with all kinds of oil atomizers. The Uni Pro built-in with height slide matching all styles of oil atomizers, don't have to worry the atomizer is too tall or too short, the Uni Pro will let you adjust the height to any oil atomizers. The Yocan Uni Pro Box Mod with the diameter adjustment dial design gets a larger adjustable diameter up to 14mm. The Uni Pro built-in 650mah battery and various working voltage adjustable from 2.0V to 4.2V, simply press the right or left button to achieve your desired voltage accurate to 0.1V difference. the Yocan UNI Pro equipped with the 10 second preheat function which is best for preparing your materials before vaping. Clicking the power button two times to put the device in preheat mode will last for 10 second "sessions".