Features:
Precision 12.0 Mhz master clock for lowest possible jitter performance. 
Supported OS: Windows XP, VISTA, Win 7 and Mac.
Plug & Play, no installing drivers or software.
Self-powered via USB input. 
Accepts high resolution audio files up to 24 bits/96 kHz data rate.

Specifications:

USB: 24bit 96khz 
INPUT USB:  USB2.0 
Sampling frequency:  32~96KHz 
Coaxial OUT:  0.5Vp-p 75OHMS