Size: 4 inches Material: metal and aluminum Mini design fan with USB cable Durable soft blade..
Creative apple design Soft fan blades keep you free from injury Plug-and-play, easy ..
4-port model Compatible with USB 1.0/ 1.1, USB 2.0 Transmission rate: 1000MBPS Transmission ..
Easily measures the output voltage of a USB powe..
Compatible with cell phones and computers
Compact size for ease..