The Yocan B-Smart 320mAh Vape Pen Style Twist Battery Mod on YocanTech.com #Yocan #Bsmart #vapepen B-Smart Features 1. Fit Your Favorite 510 Cartridges 2. Customize Voltage Option(2.0V to 4.2V) 3. Compact And Portable 4. 320mAh Battery Capacity 5. Preheat Mode: Click the power button 2 times Learn more detail on https://www.yocantech.com/featured_item/b-smart The B-SMART is a… Continue reading Yocan B-Smart 320mAh Vape Pen Style Twist Battery Mod is coming