Zaiwan Automatic Oscillating Desktop Fan Electric Power Source Air Cooling stand Fan Built-in 4000mAh Battery 4 Speeds Portable Wireless Fan

Product name: Desktop rotating cover fan

Product model: P20 (Without Automatic Oscillating Function)/P20S (With Automatic Oscillating Function) Material quality: ABS+PP Removable grille: yes Product size: 165.7140295mm Single net weight/gross weight 550g /850g Style/color P20 does not shake his head: silk floss white, army green, pink P20S shaking his head: silky white, navy blue

Working power: 7W (Max) Input voltage/current: DC5V/2.1A (Max) Wind speed: low-end 1.5m/s, mid-range 2.5m/s, high-end 3.5m/s Motor type: brushless motor

Battery voltage 3.7V Battery capacity: 4000mAh Charging time: 2A charging about 2.5h, 1A charging about 5.5h Use time: Low-end about 7.5h, mid-range about 4.5H, high-end about 2.5H, natural wind about 15H

Executive standard: GB4706.27-2008