Boulder - Rock Closed System

About the Device:Simplicity and satisfaction perfectly shaped to fit in your hand or pocket. The Rock is a refillable open system that works with all types of fluid, for example, Max VG, 80/20, 70/30, and 50/50 fluids. Also it works great with Nic Salts. Features:-1 x rechargeable Rock device.-8 Hours of heavy vaping per charge-Charges in 45 minutes.-Easy to refill.-Long lasting replaceable vapor modules.-Light good looking and rugged.-Incredibly user friendly.