Mini Portable Vocal-Instrument Microphone for Voice Recording Chatting and Singing on Apple Phone Android Rose gold and silver

specification: Product name: mini microphone Material: Aluminum alloy Uses: mobile phone singing; network recording Applicable to: most mobile phones, computers, tablets, etc. Condenser microphone unidirectional Frequency response range: 30HZ ~ 20KHZ Output impedance: <200? Sensitivity: -30dB +/- 3db (0dB = 1V / PA AT 1KHZ) Power supply: 3V Interface: 3.5M (use with any equipment equipped with 3.5mm) Line length: ~ 1.5M package: 2 * Mini microphone 2x sponge cover 1 * Durable metal box