Description The Yocan UNI Pro is one of the popular products from the Yocan manufacturer, a universal box mod for 510 thread cartridges. It has variable voltage, diameter, height settings, a preheat function, a bright LED screen, and a 650 mAh battery. Here are the basic steps to use it: 1. Charge the device with the USB cable until the screen shows “Full”. 2. Attach the 510 thread adapter to your cartridge and insert it into the device. You can adjust the height and width of the chamber to fit your cartridge. 3. Turn on the device by pressing the power button five times quickly. 4. Choose your desired voltage by pressing the left (-) and right ( ) buttons. The voltage range is from 2.0V to 4.2V. 5. Press the power button twice to activate the preheat mode. The device will heat up for 10 seconds and the screen will show “Warm”. 6. Press and hold the power button to start vaping. The screen will show the puff duration and the battery level. 7. Turn off the device by pressing the power button five times quickly. Features:42mm *Digital display voltage: 2.0-4.2V *10 seconds preheating function0.5ohm *Magnetic 510 thread adapter *Type-C charging (upgraded in 2022.12) *Battery capacity: 650mah
