1. X217 is well designed with sturdy feeling and comfy in the hands. The carbon fiber is the most delicate part of it and also helps you stop feeling like a bar of soap and slipping out of hands! It's not bad, it shows no signs of scratches and will not show up.
Purplefowler 2. X217 mod does not turn on when batteries are inserted. It can not be auto fire. It's safer to keep.
3. Hits hard and instant with 21700 which can offer you the best vaping experience for vapers.
4. Dual 21700 batteries and well-know with really good battery life.