Parameter Name Basic Parameters Basic Parameters Battery Capacity 4000mAh/14.8Wh USB Output 5V/2A Charging Time (2A) 2h40min ±30 min Fan Functions Speed Settings 5 Speed Settings Run Time (±30 min) 2h (Max. Airflow) / 11h (Min. Airflow) Max. Speed 4800±100R/min Max. Airflow 20m/s Max. Noise Level <70dB Packaging Specifications Product Dimensions L189×W62×H210mm Net Weight 250g Package Dimensions L223×W65×H229mm Accessories USB-C Charging Cable (270mm), User Manual