Acrylic LED cooling usb Fan BLOWING WIND Silent and fast stb wifi router modem Fan set top box 9cm 6000RPM Fan Cooler

The ROTATING BUTTON ON THE BLUE TOOL SHOULD NOT BE TURNED OR ROTATED, BECAUSE IT WILL RESULT IN THE FAN BEING DAMAGED AND DEAD.

? Fan size 9x9cm
? Acrylic size 20x15cm
? Acrylic height 4cm
? 5volt 2ampere usb power
? Speed control rotary button / speed button (NEW TECHNOLOGY! The led also dims when the speed is slowed)
? 6000rpm (very fast 9cm fans)
? Must use a 2 Ampere cellphone charger
? Equipped with blue led lights (circumference)
? Wind

Can be used to cool modems, DVB STBs, android tv boxes

Step 1: Give us a good review and 5 stars ?????
· No misuse / human error occurs
· No pungent smell
· Not exposed to water

? What happens if I don’t give 5 stars and bad/unclear/broken reviews?
Item price includes shipping fee that should be borne by the buyer.