Features: Twin USB 5V 5015 cooling fan deliver strong airflow replacement of 12.6CFM at 5164RPM for effective device cooling, operating at 30DBA for minimal disturbance. Engineered with oil-impregnated bearings and 93cm USB cable, this 50x50x15mm unit combines portability with efficient thermal performances for diverse setups. Ideal for 3D printing enthusiasts, PC builders, and electronics hobbyists requiring heat dissipation in installations. Maintains temperature stability in 3D printers, small-scale computer systems, media devices, and enclosed electronics vulnerable to heat buildup. The plastic housing and double-blade promote consistent cooling, safeguarding sensitive components from overheating during prolonged operation. Specifications: Material: Plastic rateds voltage: 5VDC Current: 0.19A Airflow: 12.6CFM Speed: 5164PRM Noise: 30DBA Bearing type: Oil containing bearing Connection cable: USB Length: 93cm Fan size: 50x50x15mm Package Includes: 1PC 5015 USB double Fan note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.