What's the difference among #Drag, #Drag2 and #Dragmini?

Hello, vapers.
As you know, VOOPOO DRAG 157W TC Box Mod Resin Version is so popular, now Voopoo released the newest itew: Drag2 and Drag mini. You won't be disappointed.
What's the difference among #Drag, #Drag2 and #Dragmini?


1) VOOPOO Drag mini 117W Starter Kit with Uforce T2 Tank 4400mah
https://www.everzon.com/voopoo-drag-mini-117w-starter-kit-with-uforce-t2-tank-4400mah.html

2) VOOPOO Drag 2 177W Starter Kit with Uforce T2 Tank
https://www.everzon.com/voopoo-drag-2-177w-starter-kit-with-uforce-t2-tank.html

3)VOOPOO DRAG 157W TC Box Mod Resin Version (Black Frame)
https://www.everzon.com/voopoo-drag-157w-tc-box-mod-resin-version-6505.html