The Kanboro Tech Subdab Pro Portable e-nail is the higher end big brother to the Subdab Portable e-nail. The Subdab Pro Portable e-nail features a removable 2500 mAh 18650 battery with Micro USB charging which should give you between 35 and 50 uses per full charge. There is a replaceable ceramic cup atomizer to hold your full melt concentrates. The unit comes with a 14mm or 18mm adapter to use with your favorite glass water pipe.