Features: The 80mm USB 5V double cooling fans deliver 13CFM high airflows with low 24dB noise, optimized for efficient heat dissipation in electronics like 3D printers and PC case. Featuring oil bearings, 80x80x10mm, and 95cm USB cable, this double fan system ensures stable performances and extended life under continuous operations. for DIY enthusiasts, PC builders, and professional seeking cooling for high performances hardware components. Perfectly cools 3D printers during long prints, prevents overheating in NAS devices, and maintains airflows in networking switches or entertainment systems. Engineered with precisions balanced blades and corrosion resistant plastic housing, it operates seamlessly at 1900RPM for consistent electronics cooling across multiple applications. Specifications: Materials: Plastic Rateds voltage: 5VDC Current: 0.21A airflows: 13CFM Speed: 1900PRM Noise: 24DBA Bearing type: Oil containing bearing Connection cable: USB Length: 95cm Fan size: 80x80x10mm Package Includes: 1PC USB 8010 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.