Vertex 350mah VV Battery
- manual operation – now there’s a button to take control of your hits!
- pre-heat function – pre-heats your coil for 15 seconds!
- adjustable voltage – now offering three voltages (3.4V, 3.7V, 4.0V) so you can easily control the power used
- higher battery capacity – now boasting a 350 mah battery versus the 280 mah battery in the Slim series
- 5 clicks to turn the pen on/off
- 3 *rapid* clicks to adjust voltage
- 2 *rapid* clicks to preheat