ANVISION 60mm x 15mm DC 5V USB Brushless Cooling Fan, Dual Ball Bearing, 2-Pack

Rated voltage: 5V DC, Current: 0.27A Airflow: 17.6CFM, Speed: 4000RPM, Noise: 30.7dBA Bearing type: Dual ball bearing. Lead wire: USB, Length: 500mm / 19.68nch Warranty: 2 years, Package: 2 DC brushless fans