the process and the quality is very good, all-metal products, very beautiful

Scope:
Notebook computers, desktop computers.
The light source is: 7X4000mcd white bright LED

Features:

Long-life LED, can be achieved in any case more than 100,000 hours
 With switch --- can operate independently
 Smooth, the latest design of chromium metal color
 No external power, to take power directly from the USB port inserted
 Power consumption is less than 400mA
 Bright white LED can ensure clear vision in the dark
 USB port with a USB 2.0 jack, do not take the host to support 480Mbps transmission

In addition, this fan of the biggest advantages:

Sound is very small, < 22 dB