About this item ✔️ Dual Ball Bearings, balance between high air volume and low noise, Suitable for 24 hours / day long-term work, long life: 50,000 Hours.
✔️Rated Voltage: DC 5V, Speed: 5700PRM, Air Pressure: 3.06mmH₂O, Airflow: 6.4CFM, Noise: 25.3dBA
✔️Stronger Impeller Stucture: Suitable for ventilation of Small PC Case /Router / Raspberry pi / TV box / VR glasses and any small electronic equipment cooling ventilation.
✔️Packing List: 5 units x 40mm Fan 24v ； Connector & Cable length: , Size: 40mm x 40mm x 10mm