It comes with a USB extension cable, and one USB plug can power two fans. In addition, the two fans have a speed control switch respectively, so that the two fans can be controlled separately, such as different speeds/start or stop. ^^ The USB fan adopts dual ball bearings, which are very durable and have a service life of over 50000 hours. It is very quiet when working and can be placed in any corner of the living room/study, etc. ^^ The USB cooling fan has rubber shock-absorbing feet installed on both sides to absorb noise and reduce vibration.
^^
Size: 4.92 x 4.92 x 1.77 inches (one unit), cable
length: 1m/39 inches, USB
extension cable length: 44cm.
Voltage: 5v
/Maximum current: about 0.29A. ^^ It is powered by a USB interface and can be connected to the USB interface of any electronic device. It is very suitable for cooling electronic devices such as routers/mini computers/TV boxes/game consoles etc., reducing performance degradation and life span caused by overheating of electronic components.