Alinan 6pcs 5010 5V USB Sleeve Bearing Silent Cooling Fan - 50mm DC 5V 0.08A Quiet DC Brushless 3D Printer Cooling Fan with 2Pin Wire

["★Size: 50x50x10mm(L*W*H); Rated Voltage: 5V DC, Current: 0.21A; Airflow: 3CFM; Speed: 4200±5%PRM; Noise: 22 DBA","★Computer and peripherals, graphics card peripheral cooling, cooling base fan, designed for projects that requires cooling or ventilation or as an replacement fan for various products , allows the fans to be laid flat or stand upright.","★DC brushless motor, high efficiency, energy saving and environmental protection. Long-life bearings, the motor runs smoothly.","★Pure copper motor movement, high-efficiency full-wave chip drive. Low noise fan blades, curved mechanical design.","★Suitable for hot end cooling, 3D printers hotend, computer, humidifier or other cooling requirements."]