Double up on cartridges to double the fun with the Yocan Dubb Dual Cartridge 510 Vape Battery! This discreet vape sports two concealed cartridge ports so that users can use two of the same cartridge for extra powerful puffs or mix and match for a blend of tasty vapors. The device offers precision voltage control so you can customize your vaping experience to fit your carts. Charge up quickly with the included USB-C charge cable. (Blue)