UNI Pro | 650mah Variable Voltage Battery | Black

You still get the revolutionary variable diameter adjustment to fit almost any heating element out there, as well as the height adjustment, allowing you to easily use different capacity deviced. The 510 Thread Magnetic Connector Ring is back, ensuring compatibility with almost any 510 thread device. The Uni Pro now has a beautiful OLED display that allows you to adjust the voltage between 2.0V and 4.2V in 0.1V increments. UNI Pro Features: 1. Yocan Patented Design 2. Fit Your Favorite 510 Heating Elements 3. Customize Voltage Option(2.0V to 4.2V) 4. Universal Box Mod & Product Level Window 5. Compact And Portable 6. 650mAh Battery Capacity & USB Charging 7. 510-Threaded Magnetic Connection 8. Adjustable Chamber Height And Width 9. 15 seconds cut-off 10. Preheat Mode: Click the power button 2 times 11. OLED Display 12. Built With Hanging Hole