Restore your sense of calm, relaxation and overall well-being with Zadros Aromatherapy Personal Oxygen Bar. Its quiet, compact, portable, and modeled after oxygen bars found in luxury resorts and spas that help increase self-care and overall well-being. Features: Experience luxurious spa-like aromatherapy during your session using essential oil of your choice or with the included lavender essential oil 5 adjustable oxygen concentration settings from 30% oxygen up to 90% oxygen Quadruple air filtration system and French-imported molecular membrane produces highly purified oxygen of up to 90% concentration Auto shutoff timer with 8 timer settings from 15 minutes up to 2 hours Personalize your experience using the digital LCD screen display panel or easily change the settings during your session with the convenient remote control (CR2025 battery included) Enhance the oxygen purification with the optional negative ions booster function If youre in a dry climate, use the optional water reservoir which infuses the purified oxygen with humidity Enjoy less noise (