Parameter Name Basic Parameters Basic Parameters Battery Capacity 4400mAh/15.28Wh USB Output 5V/2A Charging Time (2A) 3H30min±30min Fan Functions Speed Settings 5 Speed Settings Run Time (±30 min) 2.25h (Max. Airflow) / 11h (Min. Airflow) Max. Speed 4800±100R/min Max. Airflow 20m/s Max. Noise Level <70dB Packaging Specifications Product Dimensions L204×W62×H214mm Net Weight 280g Package Dimensions L223×W65×H229mm Accessories USB-C Charging Cable (270mm), User Manual