The Vessel Compass is a sleek and powerful 510 battery that looks classy and is exploding in popularity for its quality. The Compass has a fantastic high-capacity battery, Vessels trademark regulated airflow, and an unmatched ergonomic design that feels like it belongs in your palm.   Features:  - 550mAh Battery- 4 Voltage Settings- Incorporates a protected cartridge drop-in design- Most 510 thread cartridges will fit (cartridge not included)- Contains a cartridge swivel for accurate mouthpiece alignment- Powered by a premium lithium-ion rechargeable battery core with a 550mAh capacity- Battery life and power settings are indicated by 3 LEDs What's in the Box: Vessel JustCompass Device USB-C Charger