Intelligent Digital Display 100-speed Stepless Speed Desktop Shaking Head Tower Fan Features: 1. Dual-core wind power, automatic shaking of the head left and right, adjustable wind direction up and down 2. Stepless button speed adjustment, balanced cooling of the whole house, free adjustment of gears 3. Intelligent digital display for easy observation of battery power 4. Rotate the hair around 90 degrees to meet different cooling needs in summer 5. Turbine compresses cold air and cools down quickly 6. Silencer motor + large airflow system, all-round noise reduction 7. Built-in 4000mAh large-capacity battery, 9 hours of continuous use when fully charged 8. Non-slip silicone base, stable air flow without shaking Product parameters: 1. Material: ABS, electronic components 2. Input voltage: DC5V 3. Input current: 2A 4. Input power: 10W 5. Wind speed gear: step-less speed adjustment 100 gears 6. Noise: 45-50dB (inclusive) 7. Battery capacity: 4000mAh 3.7V (14.8Wh) 8. Usage time: fan: 9h (gear 01), 5.2h (gear 50), 2.3h (gear 100); fan + shaking head: (gear 01) 4.7h, (gear 50) 3.2h, (Gear 100) 1.8h 9. Product size: 86 x 85 x 234mm 10. Net weight: 440g Packing list: -Fan x 1 -Data cable x 1 -Manual x 1