For Raspberry Pi 4 B / 3B+ 3B 2B B+ CPU Cooling Fan Adjustab

Features:
The average life of hydraulic bearings is 40 000 hours.
30mm mini USB cooling fan with speed control size and super lightweight design perfect fit for DIY cooling and narrow place.
Suitable for ventilation of VR glasses /TV box /Raspberry pie /Router /Small PC Case and other small electronic equipment ventilation.
grill on front side protect cable and your hands; High quality bearings durable.
Allow you to use it in any places with USB power supply convenient perfect for Home/Office/Business trip.

Description:
Independent research and development of new cooling fan copper movement quality assurance. Hydraulic oil-retaining bearings are different from ordinary oil-containing bearings. They are characterized by good heat dissipation low noise long life and no oil leakage.

Specifications:
Material: Natural Rubber
Color: black
Size: 30*30*10mm Fit :For Raspberry Pi 4 B / 3B+ / 3B / 2B / B+

Package included:
1x Raspberry Pie Cooling Fan Hydraulic Oil Retention

Note:
1.All the pictures in our store are 100% taken from the products. Because of light in different environments different display screens and other reasons probably there will be a little chromatic aberration between picture and product.
2.Due to the manual measurement and different measurement methods please allow1-3mm deviation.Thanks!
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