The Vaporesso XROS 4 Nano is a refillable pod system with a 1350mAh battery and up to 30W output, managed through a 1.3″ colour TFT screen. It takes 2mL top-fill XROS pods (0.4–1.2Ω), has an adjustable airflow slider for MTL and RDL, and charges over USB-C (2A). It is the first XROS to feature a TFT display and uses Vaporesso's COREX 2.0 heating technology.