SOFI is a vaping brand focused primarily on disposable vape devices, including high-capacity and zero-nicotine products. Its product lineup includes devices such as the SOFI Surge 25000 and SOFI X9000 Zero, featuring rechargeable batteries, modern compact designs, adjustable settings, and a variety of flavor options. SOFI products are positioned around convenience, portability, and extended device usage, with some models specifically developed as nicotine-free alternatives.