Product FAQs
Q: What type of cellphones are compatible with these mini USB fans?
Ans: These mini USB fans are compatible with Android cellphones with Type-C ports.
Q: Do these mini USB fans require batteries or charging?
Ans: No, these mini USB fans do not require batteries or charging. Simply plug them into your cellphone and use.
Q: What is the voltage and current of these mini USB fans?
Ans: The voltage ranges from 3.7V to 5V and the current is 0.3A.
Q: Do Android cellphones need to support OTG function to use these mini USB fans?
Ans: Yes, Android cellphones need to support OTG function to use these mini USB fans. Most cellphones are defaulted to have this function enabled.
Q: What is the warranty for these mini USB fans?
Ans: We offer a 100% satisfaction guarantee with unconditional money back and replacement. Your satisfaction is our priority.