... 2.no leaking no burning 3.improved on ce4 longger life 4.CE/ROHS/SGS/SDS beauty product bulk buy from china ... mega vapor 3.never leak e-liquid 4.RoHS, SGS,CE, FCC 5.paypal&OEM are ok whole ce5 set contains ... puffs500-600puffsFull battery puffs700-800puffsBattery capacity 650mAh/900mAh/1100mAh/1300mAhBattery life 350timescertificateCE,ROHS,SGS,SDSType of shipingDHL/UPS/TNT/EMSpaymentTT/paypal ...