5Pcs DC 5V USB 50x15mm Brushless Hydraulic Bearing Cooling Turbine Fan

Pack of 5 USB-powered cooling fans, each rated DC 5V and sized 50 × 15 mm (5cm). These compact 50mm cooling fans use a brushless motor with a hydraulic bearing for quieter operation and improved longevity. The turbine/blower blade design provides focused airflow for cooling small enclosures and electronics. Ideal where space is limited — five identical 50x15MM fans supplied, USB powered.