1.newest design:Rotatable drip tip Rotatable Mouth Piece Replacable coil heads available.

2.  Dual coil - 2 coils instead of one

3.  3.0 ml capacity

4.  16 Long wicking threads 4. 2.1 ohm 5.Replacable coil heads available.

5.  360 degree rotating design

6.  Outstanding performance

7.  no leaking

8.  easy to refill and clean