Boulder Rock Pen
Lightweight and designed to fit perfectly in your hand, the Boulder Rock is an ergonomic, pocketable starter kit that is easy to use. With a 360 mAh battery and a standard USB plug, you can easily charge on the go to a full charge in just 45 minutes - just plug it right into a standard USB port. The Rock utilizes a refillable pod system and a simple on/off button switch.
The Rock has an original method of filling and refilling its tank. Simply insert the nozzle of the Boulder e-liquid bottle into the refilling port and squeeze until full. Simple and stress-free, with low risk of leaks, you can fill the Rock with your favorite e-liquid with ease.