The Drive DeVilbiss iGO2 is a compact, high-performance portable oxygen concentrator (POC) designed for active users who need reliable oxygen therapy on the go. With SmartDose Technology, the iGO2 automatically adjusts oxygen delivery based on your breathing rate, ensuring the perfect amount of oxygen at all times. Its lightweight and durable design makes it ideal for travel, daily outings, and an active lifestyle. Key features SmartDose Technology for automatic oxygen adjustment Lightweight & portable at just 4.8 lbs. Pulse dose delivery with settings 1-5 Up to 3.5-hour battery life (setting 2) FAA-approved for hassle-free travel Durable design with protective casing User-friendly LCD display for easy operation What's In The Box? Every iGo2 from Cleveland HME comes ready to use with: iGo2 Portable Oxygen Concentrator Rechargeable Battery Pack (1 or 2 unit options) Carrying Case with over-the-shoulder strap AC Power Supply & US Power Cord DC Car Adapter External Battery Charger Oxygen Delivery Comparison The iGo2 is in a class of its own. While other POCs deliver a fixed "minute volume" (where your dose actually decreases as you breathe faster), the iGo2 maintains efficiency to match your activity levels. SmartDose vs. Standard PulseDose Table Standard Fixed Minute Volume per Setting (ml): Setting 10 BPM (ml) 20 BPM (ml) 25 BPM (ml) 1 26.0 13.0 10.4 2 44.0 22.0 17.6 3 72.5 36.3 29.0 4 88.0 44.0 35.2 5 101.4 50.7 40.6