These tiny devices from Pod King have a built in battery with 280mah, supply 400 puffs each, and are simply drag to activate.  These contain roughly double the amount of vapor contained in a similarly sized Juul pod.  The Pod Kings are packed with flavor and come in the following:
Blueberry Pomegranate Ice
Pineapple Mango Ice
Orange Peach Ice
Blueberry Blackberry Ice
Melon Ice
Strawberry Banana
Watermelon Lemonade
Mango Peach Pineapple
Orange Soda
Lush Ice
Strawberry Mango
Strawberry Kiwi
Clear-Unflavored
Lychee Ice
Strawberry Melon
White Peach Raspberry
Banana Ice
Blueberry Ice
Blueberry
Dragon Fruit Mango
Mango Apple Pear
White Grape Ice