Comes with PEI cap for RDA version;
Supports single coil;
Best flavor at 15-100W;
Mouth to lung and DL RTA;
Bottom feeding option by squonk pin and PEI cap for RDA version;
The Whisper is finally a dripper with a tank, well known form factor (Flave, Skyfall etc ...), it allows a vape air (a little) restrictive wide open and a real vape MTL (and very quiet) with its reducers airflow.
A replacement rda pei cap and squonk pin are included which allows you to interchange RTA to RDA by a kit.