✅ Dual‑Mode Oxygen Output: Stable 95%±3 oxygen concentration across 1‑5 levels. AI‑powered pulse mode syncs with your breath for 99% oxygen utilization; auto‑switches to fixed‑frequency mode, no water required to avoid nasal dryness.

✅ Removable Rechargeable Battery: 5000mAh detachable battery with DC fast charging. 1‑4.5 hours runtime (level‑dependent). TI power‑management chip ensures steady power for outdoor use.

✅ 10‑Stage Deep Filtration: Multi‑layer 10‑stage filtration structure effectively filters out impurities. Purifies intake air to deliver cleaner oxygen, protecting your respiratory health for daily long‑time use.

✅ Lightweight & Portable Design: Weighs only 2.1 kg (4.6 lbs) with compact dimensions 17×10×20 cm. Light enough to carry with the matching shoulder bag. Perfect for hiking, high‑altitude travel, home rest, office use and travel.

✅ Multi‑Scene Application: Great for high‑altitude hiking, home rest, office use, seniors and pregnant women, for indoor & outdoor oxygen support.