Introducing the Breas Z2 Auto Portable Auto-CPAP Machine. Combining comfort, convenience, and practicality, this ultra-portable CPAP machine changes the way you manage sleep apnea. Measuring just 6.48 x 3.3 x 2.02 inches and weighing only 10.5 ounces, it's built for easy portability. Features include whisper-quiet operation at 26 decibels, smart auto-adjusting pressure, a revolutionary waterless humidification system (HME technology), battery compatibility, high-altitude function up to 8,000 feet, and app connectivity for tracking progress.