Skilled technicians on restless endeavor to further the acceptance of electronic cigarettes have developed new features that will radically improve the convenience of this product.
Revolutionary FDA® ecig design eliminates the annoyance of unscrewing the battery for charging.
Source of image: FDA Consumer Information UCM173430. (no joke)

Revolutionary FDA® ecig design eliminates the annoyance of unscrewing the battery for charging.
Source of image: FDA Consumer Information UCM173430. (no joke)