Double 12cm Cooling Fan USB Cooler Stand 1200RPM for Router Modem Set Top TV Box

Dual 12cm USB cooling fan with 9 blades, rotate speed 1200 RPM, offer silent wind cooling, powered by USB, no batteries required. It produce less noise, designed to cool various electronics and components.
NOTE:
There is only one USB power cable, two fans cannot be separated.
NO power adapter included.
Features:
No installation, stable performance quiet cooler
Ultra slient 12cm cooling fan with 9 blades
Reducing equipment working environment temperature, prolong their service life
Compatible for router, TV/ DVR Box, AV receiver, networking equipment...etc.
Specifications:
Type: Cooling fan
Rated voltage: DC 5V
Rated speed: 1200RPM +/- 10%
Noise: 27dBA+/-10%
Size: 24 x 12 x 5cm / 9.45 x 4.72 x 1.97 inch
Weight: 259g / 0/57 lb
Packing List (bulk pack):
1 x Dual cooling fan