Tascam iXZ, Microphone / Guitar interface for iPad/iPhone/iPod, Microphone / Instrument preamplifier, Balanced / Unbalanced combi input (XLR / jack), Switchable phantom power for condenser microphones, Level control for microphone input, Headphone output, Connection with Apple devices via 4-pin mini connector (analog), No battery required when used as instrument preamp, 2x AA batteries required for microphone preamp and phantom power, Two-track recording app from Tascam is available in the app store for free download, Dimensions: 106 x 40 x 45 mm, Weight: 87 g, Compatible with: iPhone 3, iPhone 3GS, iPhone 4, iPod touch 1G, 2G, 3G, 4G, iPad 1G and 2G