This product supports mixed batch large contact customer service
[Material]: TPE material
Rated voltage: 5V
Rated power: 1W
When the extremely silent fan is running, the voice is extremely low, only 25.8 decibels
This product is packaged separately in OPP bags by default
Android phones need to support OTG function in order to be used, and some Android phones require manual activation of OTG function to be used, which is not a quality issue.
(For specific mobile phones, you can consult customer service or Baidu search. If you do not consult clearly and find that the phone does not support the order, returns and refunds are not supported. Please be cautious when taking photos.)
This product supports customized logos, process: silk screen printing (usually a simple one or two color logo), minimum order quantity: 2000 or more
For detailed logo fees, please contact customer service for consultation, and you can help create renderings for free
Audited Supplier 
){kind=link}
){kind=link}