Package included:
2 pcs of 40mm mini cooling fan 5v dc with USB cable

Size: 40mm x 40mm x 10mm.
Wire length: 500mm.
Powered way: USB connector.
Voltage: DC 5V.
Current: 0.1 A.
Airflow: 12.4 CFM.
Speed: 2200 PRM.
Noise: 16.63 dB-A.
Bearing Type: Sleeve Bearing.

Material: PBT plastic fan frame and blades . This 4010 DC 5V silent mini brushless cooling fan is Low-noise, low-vibration, reliable running.

5V mini dc fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.

Ideal 5V brushless DC fan replacement for noisy or broken 5V 40mm fans in 3D printers, DVRs, NAS, switches, routers, small appliances series, other network and storage devices, etc.