Product Description:
KuDiff is a brand dedicating on creat Cool & Different products.
KuDiff Mini portable held hand fan is Double-headed new design,novel appearance,still small size,compact and lightweight. The small size but strong wind makes you better against the heat in this summer,whether you are in class,going to work,shopping,or resting. If you are planning to take the family and friends to camp,picnic or go to the beach in good summer weather,you can bring it,it will take up the smallest space but bring you more cool. Enjoy the coolness of the summer!
Specification:
Battery Type: Polymer lithium ion battery 500mAh
Charging Time: 2 hours
Speed Level: 2 . Speed 1:last 2 hours with full charge battery. Speed 2:last 3.5 hours with full charge battery

Question & Answer:
Q: What is the battery type of the fan and whether the battery could be replaced or not?
A: The mini fan build in Rechargeable 300mAh battery and the battery is not need to replace.
Q: How to recharge the fan?
A: Connect the included USB cable to 5V output adapter like phone charger, or power bank, computer, other USB outlet devices to charge the fan.
Q: How to distinguish the battery is fully recharged or not?
A: When charging the battery,the indicator light next to the charging port will light up.The light will turn off automatically if the battery is fully recharged.
Tip:
1. Do not put the rotating blades together to extend the service life. 2. Due to the wind speed problem, when the maximum speed is turned on, the desk fan will move slightly back on the table, you can stand it up with other thing or open 1 block.
Product information: 
Weight: 78 gram (weight is about equal to an egg)
Size: 4.5 x 3.6 x 10.5 cm
Package Content: 1 × Dual head mini fan 1 × USB cable 1 × Instruction Read more