QQ Bang Puff Category Standard (Multi-Pod Flavor Switching): A single device that houses 2-in-1, 3-in-1, 4-in-1, 6-in-1, 8-in-1 and 10-in-1 isolated e-liquid chambers • Rotary mouthpiece carousel or selector switch • Dedicated 0.9Ω–1.2Ω mesh coils prevent flavor crossover • Representative models: Bang Legend 8 in 1 & 300K & 3-in-1 60K/90K, Bang 8-in-1/6-in-1/4-in-1/2-in-1, QQ Bang 6-in-1 500K & 4-in-1 180K, Bang DE 5-in-1 300K