Overview:USB mini Fan Brings you fresh & cool air. Convert a USB (Universal Serial Bus) port on your Desktop PC or Note PC into a source of cool air. Power Supply: Direct from any USB (Universal Serial Bus) port Quite moter will not affect your working Flexible firm cable means that you can adjust fan to your desired airflow. Interface: USB (Universal Serial Bus) 1.1 & USB (Universal Serial Bus) 2.0 Specification: Weight Approx:180g Size Approx:12.5 x 8.5 x 6.2