This document provides specifications for four CPAP and APAP devices from ResWell. The devices have dimensions of 205 x 154 x 197mm and weigh 1.7kg. They have an LCD screen, IP22 water/dust protection, operate from 110-240V, and have advanced features like automatic pressure adjustment, humidification, and data recording capabilities. ResWell is a Beijing-based company that manufactures sleep apnea devices.