Yocan UNI Pro VV box mod is the enhanced version of the Yocan UNI VV box mod, increasing an OLED display and 2 operating buttons, simplifying the operation and avoiding excessive vaping to a great extent. Capable of matching with all atomizer by rotationally adjusting its diameter and slidably controlling its height. You would obtain a lasting and flexible vaping benefited from the integrated 650mAh battery and unrestricted voltage. Refresh your vaping experience here!

Main Features:
1. Built with 650mAh battery, support re-charging by a micro USB port
2. Compatible with all atomizers, twist the gear to adapt to the diameter and toggle the switch to reach to a proper height
3. Support preheating for 10s, enjoy a mature heating effect as soon as you pick up it
4. 3-level voltage adjustable, keep a changeable and fresh vaping experience
5. Side oil window, clear on the consumption and the amount of oil left
6. OLED display, show you the real-time voltage, battery life, resistance and vaping time in details