Pinnacle Transit, Hi-Resolution Mobile Audio Interface. Audio quality: 24 bit, Sampling rates: 48 kHz. Microphone maximum input: 6dBV, Microphone Signal-to-Noise Ratio (SNR): 100 dB, Microphone dynamic range: 100 dB. Compatible operating systems: Windows 98SE / Me / 2000 (SP4) / XP (SP2), Mac OS X 9.2.2,10.1.5, 10.2.6, 10.3.6, 10.4, 10.5.1.. Bundled software: Ableton Live Lite. Dimensions (WxDxH): 60 x 45 x 25 mm, Weight: 45 g