The Aspen 3-person indoor infrared sauna is constructed of Canadian hemlock for durability and natural appeal. The Aspen has 8 advanced carbon-nano heaters for evenly dispersing the heat throughout the spacious cabin while maintaining temperatures up to 140 degrees. Features include dual digital keypads, movable ergonomic backrests for maximum comfort, chromatherapy lighting, Bluetooth speaker system, oxygen ionization system for purifying the air, recessed interior and exterior lighting, cup holders, and more.