Other Features :
10~55(Max) Air Volume (Liter Per Min), Dual Inverter Fan, H13 HEPA Filters (2EA) (99.95%), Patented Respiratory Sensor, Voice On, Bluetooth 5.0, Ergonomic Design, 35 dB (Min) – 52 dB (Max) Noise, Medical-grade Silicone, Built-in Li on Rechargeable Battery (1000 mAh) / USB C Type, 8hr(Max) Usage time (Fully charged), : Approx. 2 Hours Recharge Time, Dimension W 142 x H 109 x D 52, Made in Korea, Total Care Filter.