The Yocan Evolve vape pen is a discreet sleek wax vaporizer mod that delivers huge clean hits with it’s Quartz Dual Coil (QDC) Technology. These coils also have a Functional Coil Cap to prevent messy leaks. Features and Specs: 1 Long lasting 650mAh battery, 1 Atomizer, 2 Quartz dual coils, 1 Small dab tool & 1 USB line.