Features: This product is a lavalier microphone specially designed for smartphones. It comes with several unique features such as: Omnidirectional Super-Shield Mic-head that ensures optimal sound volume. Built-in Metal Shield and Wind Muff, effectively reducing noise. Simple Operation due to its user-friendly interface. Precise Design paired with Convenient Carrying options make it a perfect choice for professionals on the go. Polar Pattern: Omnidirectional Maximum SPL:100dB (@1kHz,1% THD into 1k) Frequency Range:50Hz~20kHz THD:Output Impedance:600 Dynamic Range:114dB(per IEC651) Sensitivity:-35dB3dB re 1V/Pa @1kHz Signal/Noise:68dB SPL (@1kHz,rel 1Pa per IEC651) Cable Length:1.2m Package includes a V01SP Lavalier Microphone.