... delivery2. FDA,CE,RoHS, approval2.CE ROHS appovel3. Many flavors3.good quality drip easier4. High,Medium,Low,None4.tasty well5. DEKANG ... , Medium=11mg, High=16mg, Vhigh=24mg, XVHigh=28mg Cartridge Flavor / Taste: ( More than 55 flavours ) Almond, Apple, Banana, Black tea, Camel ...