VEEX (TAKI) have two series, V1 and V4. The most interesting thing is, if you have a VEEX device, you can use RELX pod; while you have RELX device, you can use VEEX as well. They are compatible with each other.

VEEX V1 is compatible with RELX Classic while VEEX V4 is compatible with RELX Infinity / Phantom. 

Get more information about Ceramic Coil VS Cotton Coil Atomizer.