Features: The 14025 USB DC5V Ball Bearing Quiet Cooling Fan delivers quiet, high efficiency heat dissipation with double ball bearings design, ensuring up to 50,000 hours of continuous operating while meeting certifications. Crafted from ABS plastic, this industrial grade PC case fan features a sleeve bearing structure and optimized airflows design for efficient cooling in small space. Ideal for PC builders, electronics enthusiasts, and industrial technicians seeking reliabled thermal management solution for high performances systems and machinery. Perfectly suited for cooling computer cases, gaming rigs, networking servers, home appliances, or embedded electronics requiring whispering quiet operatimng and stable voltages compatibility. Engineered with precise balanced running and friendly build, this versatile cooling accessory maintains consistent airflows without vibrations, safeguarding sensitive components from overheating damage. Specifications: Item：14025 Ball Bearing Cooling Fan Model：FDBB14025B05A Voltages： DC5V Current: 0.23A Speed：1540RPM Noise: 33.8DBA Life: 30000hours Air： 66.5CFM weight： 155.0g power：1.15W Size about 140x140x25mm/5.5x15.51x0.98in Package Includes: 1PC DC5V Cooling fan note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.