Features: 1. High saturation, high flow, ultra-low noise, suitable for home and travel. 2. The oxygen concentrator is equipped with oxygen production + atomization + negative ions function, which makes oxygen output more comfortable. 3. Nasal suction type, HD large touch screen cover all at one glance what you want to function. Operation is easier and more convenient for the elder and kids. 4. 40 minutes regular reminder, multiple filtering systems, creating oxygen is more hygienic. 5. Only weights 1.88kg, easy to carry anywhere, no add burden for daily use. Specification: Material: PP Product Color: White Product Size: 295 x 210 x 78mm Product Weight: 1.88kg Function: Oxygen Production + Atomization + Negative Ions Inhalation Method: Nasal Suction Type Oxygen Flow: 1L/MIN Package Included: 1 x Oxygen Concentrator