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USB-C Charging Boards: Small printed circuit boards (PCBs) that manage the charging process for integrated batteries. They handle power input via a USB-C port, regulate the charging current/voltage to protect the battery, and often include basic safety features like overcharge protection.Low-Nicotine/Zero-Nicotine Disposables: Target the growing market of users who enjoy the act of vaping and the flavor but wish to reduce or eliminate their nicotine intake. They are also popular for use in social settings where nicotine-free options are preferred.https://cbu01.alicdn.com/img/ibank/2016/359/132/3617231953_898052612.220x220xz.jpgUltra-Portable Pod Kits: Characterized by their incredibly small, lightweight, and discreet form factor, often resembling a USB drive. They prioritize stealth and convenience above all else, making them ideal for users who need a device that is unnoticeable in the hand or pocket, though they may sacrifice battery life and e-liquid capacity.Nicotine Salt E-Liquid Lines: A formulation where nicotine is combined with benzoic acid, lowering its pH. This allows for higher nicotine strengths (e.g., 20mg-50mg) to be used without the harsh throat hit of freebase nicotine, providing a smoother experience and faster nicotine absorption.