Soyntec Netsound 100. Microphone sensitivity: -58 dB, Microphone frequency: 30 - 16000 Hz, Microphone input impedance: 22000 Ом. Connectivity technology: Wired, Connector(s): 3.5mm, Cable length: 1.6 m. Current consumption: 0.35 mA, Operating voltage: 1.5 V. Package dimensions (WxDxH): 40 x 30 x 95 mm, Package weight: 90 g. Dimensions (WxDxH): 230 x 100 x 50 mm, Weight: 130 g