Dual Core Student Dormitories, Desks, Silent Offices, Desks, Bedside USB Clip Fans, All-round Shaking Head Rotation, Air Supply, Charging Fans

It takes 3.5 hours to fully charge. The battery life ranges from approximately 4 hours to 12 hours. Input voltage is DC5V, while output voltage ranges from 5V to 9V. When charging, a digital display shows a single flashing digit until fully charged, then displays 100 without flashing. The materials used are ABS, hardware, and electronic components. Power Mode:Battery Powered/USB Dual Use Operating Voltage:≤36V Material:Plastic Battery Properties:Rechargeable Battery Rechargeable Battery:Lithium Battery-18650 Series Battery Capacity (mAh):3600