Superlux E431U, USB Microphone, Switchable directional characteristic: Cardioid / Figure-8 / Omnidirectional, Capsule type: 2x 14 mm Back-electret (condenser), Frequency response: 20 - 20,000 Hz, Sensitivity: -38 dBV/Pa (12.6 mV), Max. SPL (sound pressure level): 108 dB, Powered via USB, Outputs: USB (for PC and Mac) and 3.5 mm mini jack (for real-time monitoring), Headphone output power: 150 mW at 16 ohms, Gain and monitoring volume control can be adjusted directly on the microphone