4 50mm 5V USB Cooling Fans - Brushless Design, Long-Lasting Oil Bearings\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n4 50mm 5V USB Cooling Fans\n\nExperience unparalleled performance and durability with our selection of four USB cooling fans, designed to provide optimal airflow and a whisper-quiet operation.\nProduct Specifications:\n\n--Fan Size: 50 x 50 x 10mm (L x W x H)\n--Rated Voltage: 5V DC\n--Current: 0.21A\n--Airflow: 3CFM\n--Speed: 4200 \u00B1 5% RPM\n--Noise Level: 22 DBA\n--Bearing Type: Long-lasting Oil Bearings\n--Lead Wire: USB with a 1m / 39.37 in length\n\nKey Features:\n\n--Brushless design for long-lasting performance.\n--Designed for optimal cooling efficiency at a low noise level.\n--Ideal for electronics, computers, and various cooling applications.\n--Easy USB connection allows for effortless integration into your setup;