The Bastone Refillable Hookah Pen ce5 900 mah is used with these amazing liquid flavors! Hookah Liquids1 12 ML Liquid is Equal to about 8 hookah sticks.With the set receive:2 Batteries 900 mah2 CE5 Clearomizer (Cartomizer, Atomizer, Liquid Tank)1 USB charger1 Wall charger1 Zipper caseInstruction manualWhat is a Refillable Hookah Pen?Possibly the most economical way of vaping (smoking) there is, with the rechargeable hookah stick you can place whichever Hookah fruit flavor liquid(s) you would like into the clearomizer,(the clear tube atop the battery used to hold and vaporize the liquid placed inside it). Refillable hookah pens are filled with any type of vapor liquid, namely the FDA approved Bastone Hookah Liquid. A bottle of hookah liquid costs as little as $7 when buying a 3 pack of hookah juice. Instructions do come with the item, however if you would like to look at instructions click here With this unit, the vapor is like smoking a Regular Hookah, with larger volumes of vapor, you will love it, especially when mixing flavors into the cartomizer (clearomizer).Refillable Hookah Pen, Rechargeable Hookah Stick, Reusable Hookah Pen, Rechargeable Shisha Pen, Reusable Hookah Liquid Pen, Refillable Portable Hookah, Rechargeable Vaporizer, Liquid VaporizersChoose from our 21 Hookah Liquid Flavors. Purchase with your stick and receive a discount on any liquid bottle. Select from the following Hookah Liquid Flavors below. Purchase with your stick and receive a discount on any liquid bottle.