
Far Infrared 4 People 180*150*190 Cm Portable Indoor Sauna Room. Premium Hemlock Wood Construction: FSC-certified Canadian Hemlock, eco-friendly and naturally resistant to moisture and cracking. Advanced Carbon Crystal Heaters: High thermal efficiency with ultra-low EMF emission for deep-tissue penetration and detox. Smart Digital Control & Bluetooth: Integrated touch panel with high-fidelity Bluetooth stereo speakers for seamless entertainment. Quick-Fit Modular Design: Tongue-and-groove system allows 2-person installation in under 30 minutes without special tools. Full OEM/ODM Customization: Flexible customization on dimensions, wood species, voltage, and branding with logo support. Marine-Grade Stainless Steel: 304 stainless steel handles and hinges resist rust and corrosion under constant heat and humidity. Comprehensive Safety Features: Explosion-proof tempered glass door with overheat auto-shutoff protection and low energy use. Extensive Certification Support: Products certified for ISO, EMC, LVD, ETL, CE, UL, FSC, SAA, and RoHS for global markets.