01 / THE REAL-WORLD QUESTIONS
Beyond the product name.
What matters most when a cabin is intended for one?
Check the actual entry clearance, bench height and whether there is room to change positions comfortably. A single-person label says little about the individual sitting experience.
Technology in plain language
Far infrared is the core Signature category; the standard product comparison identifies no integrated red light therapy.
The general collection comparison emphasizes smaller capacities, while product support and shop listings include larger Signature III and IV. Confirm exact model availability.