Advantages of freestanding jacuzzi bathtub: 1. Diverse functions and strong comfort 2. Beautiful shape, enhance the style of space 3. Flexible installation and strong adaptability 4. Independent use and convenient maintenance 5. Suitable for high-frequency users Disadvantages of the freestanding jacuzzi bathtub: 1. It occupies a large space and has high requirements for the room type 2. High installation requirements and complex construction 3. High maintenance and cleaning costs 4. High water and power consumption 5. High initial purchase cost

·37°C~38°C: close to body temperature, relatively mild, generally recommended not to exceed 30 minutes; ·39°C~40°C: hotter, with a strong soothing and relaxing effect, it is recommended to control within 20 minutes; ·Above 41°C: higher risk, heart rate may increase, skin overheating reaction, not recommended to exceed 10-15 minutes

People who are suitable for using spa massage bathtub include: 1. Office workers who are in sub-health status for a long time 2. Middle-aged and elderly people 3. People who recover after exercise 4. People with mild sleep disorders or nervous tension 5. People with mild circulatory disorders (under the guidance of a doctor) People who are not suitable for using spa massage bathtubs include: 1. Patients with severe cardiovascular diseases 2. Patients with acute inflammation or infection 3. People in early pregnancy or high-risk pregnancy 4. Patients with malignant tumors 5. Patients with diabetic foot and open wounds 6. Patients with epilepsy, history of syncope, and severe mental illness