Features

• output 3 L/min, 32.5% ± 2.5% concentration, pulse oxygen supply, working noise less than 45 db.
• Portable Design, Compact and lightweight, includes a custom carrying bag
• Simple One-Button Use，Designed for effortless operation by anyone
• Multi-Scenario Use: Ideal for home, outdoor activities, and car travel
• with the built-in auto-shutdown timer featuring 4 options (20、40、60,120 minutes)