Used primarily for creating sound samples indoors. Used approximately 15 times. This listing is for the main unit only. Functionality has been confirmed with an iPhone at the time of listing. Stereo microphone (90°/120°/M-S) Maximum sound pressure level: 120dB SPL Input gain: +3 - +43dB Audio quality: 44.1kHz/16bit, 48kHz/16bit Power: Supplied from iOS device Connectors: Lightning connector, stereo mini-jack (line output/headphone output) Dimensions: 54.5(W) x 57.2(D) x 26.5(H)mm Weight: 30.5g