Covert 510 vape cartridge battery. It looks like a puff bar but puffs for real. Consume everything without judgment. USB-C / Type-C Charging (Cord not included) Variable Voltage 320mah Battery (3.0V, 3.8V) Pre Heat Mode Strong Magnetic Closure 3 quick puffs to change the voltage 2 quick puffs to pre-heat 5 quick puffs to turn ON/OFF Works with both 0.5ML and 1.0ML 510 threaded cartridges. Cartridge not included.