Oxygen ConcentratorDE-2AW(220V EU Plug)English Version marking on productAccessories included:-3 meter oxygen tube, including water storing equipment x 1ear hook oxygen inhaler x 1remote control x 1filter, oxygen outlet mouth x 1nasal cannula x 1power cord x 1 atomization set x1quick start guide x 1product manual x 1Oxygen Concentration:  &nbs..