4 Pack USB Brushless Cooling Fan 40mm High Performance DC 4PCS, 5V USB(4010)

Product Details

• ❃❃ Fan size: 40x40x10mm(L*W*H); Rated Voltage: 5V DC, Current: 0.21A.
• ❃❃ Airflow: 3CFM, Speed: 4200±5%PRM, Noise: 22 DBA.
• ❃❃ Bearing Type: Oil Bearing.
• ❃❃ Lead Wire: USB; Length: Approx.1m / 39.37 in.
• ❃❃ Package Included: 4 * DC brushless fans.(Notice: 'DO NOT GET WET' or 'Put it in a humid environment'; Or it will stop working. Any questions, you can contact us and we will help you.)