1.900mah battey capacity 2.black e-cigarette 3.FDA approval liquid 4.CE&RoHS& certificate 5.OEM&ODM service Benefits:1. FDA Approval liquid, CE&ROHS&, 1 year warranty, OEM/ODM order 3-10 working days.2. Our cartridge is sealed by aluminum foil, which makes the guarantee period longer and healthier.3. Our e-cigarette is easy to suck in, heavy smokes like real cigarette.4. Our PCC have guard plate, ...