This bath heater adopts multiple ring shapes, natural and elegant. It boasts 3-color lighting to indicate the working status and serve as a night light; a height adjustment function enhances fun of interaction. The product can be controlled via the knob switch/APP/voice assistant. The core air duct uses the Coanda Effect air-blowing for mild warming, forming gentle, uniform air to avoid discomfort from direct air blow; a convective centralization airflow mode ensures rapid warming. The odor sensor monitors air quality and can activate negative ion ventilation for sterilization and purification