
Economical Portable Oxygen Concentrator 1-7 Liters Continuous Flow Low Noise for Travel & Home Use Outdoor Friendly. Ultra-Lightweight Design: Weighs only 1.98kgs with a compact size of 199*183*86mm for easy portability. Long Battery Life: Provides 1.5-5.5 hours of continuous use on a single 2-hour charge. Low Noise Operation: Operates at a quiet 33-38dB, suitable for home and travel environments. High Purity Output: Delivers 93% (+-3%) oxygen concentration with 1-7 liter pulse flow settings. Global Certifications: Complies with ISO13485, CE, FDA, and other international safety standards. Customization Available: Offers OEM/ODM services and flexible customization options for products. High Altitude Performance: Operates effectively at altitudes within 4000m for travel and outdoor use. Reliable Manufacturer: 25 years experience with 1.5M annual capacity and 30+ patents held.