Features

• Delivers steady 3L/min oxygen flow at 30.5±2.5% concentration for daily comfort
• Ultra-light 3.3lb with built-in handle and carry backpack for on-the-go use
• Powered by AC adapter, 12V car cable, or rechargeable battery (1.5hr run time)
• 4-level auto-off timer (20/40/60/120 min) lets you tailor each session