The Yocan UNI Twist 510 Battery is a compact vaporizer with adjustable height and width for almost any cartridge. It has a sleek zinc alloy shell and USB-C charging for faster, stable power transfer. The twist-type temperature control offers six temperature profiles for a personalized experience. It has a range of 1.8 volts to 4.2 volts, and an integrated hanging hole for portability.