Yocan UNI Pro says hello to RIU members!
The UNI Pro comes with an OLED screen, that can fit ALL your favorite oil cartridges.
Features
1. New Patented Design
2. Fit Your Favorite 510 Cartridges
3. Customize Voltage Option(2.0V to 4.2V)
4. Universal Box Mod & Oil Level Window
5. Compact And...