The Core arrives with remarkable simplicity yet the same technical precision you’d expect from Vessel. Core is powered by a smaller, compact battery and similar controls and variability across the line. Also available in Pacific, Black, & Stone. NOTE: NOT COMPATIBLE WITH BASE CHARGER. Features a wide 510 crown to accommodate cartridges of all diameters Powered by a high-quality 260mAh lithium-ion rechargeable battery core 3-LEDs indicate battery life and power settings Four (4) power/voltage settings (2.4V, 2.8V, 3.2V, 3.6V) USB-C charging port + cable Compatible with Rover Cases Dimensions: 3.3"L x 0.55"D Weight: 23g