Elevate your comfort in any environment with this versatile Adjustable Oxygen Concentrator, designed for seamless integration into office spaces, homes, and travel routines. Featuring a 1-7L/min adjustable flow rate and 35%-90% oxygen concentration (automatically optimized based on your selected flow), this device delivers purified air to enhance relaxation, focus, and overall well-being. Its advanced lithium molecular sieve and dual-cylinder copper compressor ensure stable, high-purity oxygen output while operating at a whisper-quiet 48dBideal for maintaining productivity in offices or tranquility at home.