Thank you for viewing! This is a full set of the popular LitaAir hydrogen inhaler! It has been tested and cleaned, and is ready to use immediately! *There is a bubble on the back. It's not noticeable at all, but please refer to the photos. [Set Contents] ・LitaAir RitaAir main unit ・Dedicated hydrogen gas inhalation tube (for nose) ・Cannula ・Power cable ・Instruction manual (if available) [Condition] ・Appearance: No noticeable scratches or stains (fully cleaned) ・Operation: Confirmed! ・Number of uses: Few [Highlights] ・For hygiene reasons, the tube and cannula will be provided unused or cleaned! ・Perfect for relaxation and self-care at home!