The Smok RPM 40 is a versatile and powerful pod system designed for both beginners and experienced vapers. It features a large 1500mAh battery and a 4.3ml e-liquid capacity, making it perfect for all-day vaping. The RPM 40 also comes with two different pods, allowing users to switch between direct lung and mouth-to-lung vaping styles. Additionally, the device is compatible with a wide range of RPM coils, giving users the ability to customize their vaping experience to their liking. With its sleek design and advanced features, the Smok RPM 40 is a top choice for anyone looking for a reliable and high-performing pod system.