Saramonic LavMicro U1A, Lavalier Clip-On Microphone, With removable Ligtning cable for iPhone, iPad or iPod touch, Records broadcast-quality audio directly to Apple devices, Easy plug-and-play operation with all audio and video recording apps, Directional characteristic of the microphone: Omnidirectional, Sensitivity: -40+/-30 dB (0 dB = 1V/Pa, 1 KHz), Signal-to-noise ratio: 65 dB SPL (sound pressure level), Frequency response: 50 - 20,000 Hz, Cable length: 2 m, Weight: 23g