USB 2.0 Audio Interface 24-bit / 192kHz 2 inputs and 2 outputs 2 Scarlett microphone preamps USB bus power System requirements: Windows 7, Windows 8.1 & Windows 10, Mac OSX 10.10 Yosemite & Mac OSX 10.11 El Capitan Dimensions (H x W x D): 4.4 x 14.4 x 11.9 cm Weight: 0.43 kg Pro Tools | First and Ableton Live Lite recording software included