Saramonic SmartMic TRRS Microphone Unopened, unused item. A small TRRS microphone for iOS and Android devices, offering a frequency response of 50Hz to 18kHz and a signal-to-noise ratio of 58dB. - Brand: Saramonic - Type: Omnidirectional Electret Condenser - Connector: 1/8" (3.5mm) TRRS, CTIA type - Frequency Response: 50Hz to 18kHz - Signal-to-Noise Ratio: 58dB SPL - Sensitivity: -30±3dB(0dB=1V/Pa, at 1kHz) - Weight: 21g (0.74oz) Please refrain from purchasing if you are sensitive to minor imperfections, as this item has been stored by a private individual. Bulk purchases are welcome.