Portable Hanging Neck Fan Mini Electric Cooling Fan Hanging Waist Cooler Lazy Fan Green

1.Mobile conditioning: double clamping position inside and outside circulation three block supply. 2. core silent brushless motor: common motor fluctuates strongly which is the real gap between many wind turbines and natural wind. All the brushless motors of this product are low-speed smooth and have a larger speed range. 3.Light sound operation: quiet as the natural wind using the brush less motor quiet as whispering in the ear. Battery voltage: 3.7V Input voltage and current: DC5.0V/1000mAh ( +/- 20%) Battery : 7.4W Battery capacity: 2000mAh Working : 1st 1W; 2nd 1.7W; 3rd 3.5W Working current: First 250mAh; Second 450mAh; Third 920mAh Working time: The first can be used for about 7.5 hours; the second can be used for about 4 hours; the third can be used for about 2 hours Charging current/time: Charging current 1000mA ( +/- 20%) about 3 hours when fully charged colour: green Material: ABS+PP size: 4.25cm x 8.6cm x 10.9cm Package Contents: 1 x Mini fan Only the above package content other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.