This advanced oxygen concentrator is designed for dual uses: oxygen therapy or nebulizer therapy. It comes with a nasal oxygen tube and a nebulizer set (a mask and mouthpiece included).
The oxygen concentrator features 1-7 L/min adjustable oxygen flow, 0.5 -4 hrs adjustable timer, negative ion and voice broadcasting functions. It is an excellent health companion for people of different ages.
Note: The oxygen concentrator is not rechargeable, and requires connection to a power source for operation.