"B-Stock, Rode SmartLav+, Lavalier Microphone for iOS Devices like iPad and iPhone, professional-grade wearable microphone designed for use in a wide range of film, television and broadcast scenarios, compatible with any audio app that accepts input from the headset connection, A foam pop shield is supplied to minimise wind noise and vocal plosives (hard 'b', 't' and 'p' sounds), as well as a durable mounting clip with in-built cable management, Acoustic Principle: Pressure Gradient, Active Electronics: JFET, Capsule: 0.10"", Polar Pattern: Omnidirectional, Address Type: End, Frequency Range: 60 - 18000 Hz, Sensitivity: -35.0dB re 1 Volt/Pascal (17.80mV @ 94 dB SPL) +/- 2 dB @ 1kHz, Power Options: (Powered by Apple iOS device), Weight: 6.00gm, Dimensions (HWD): 1180 x 4.50 x 4.5 mm, Output: TRRS Output, compatible with any audio app that accepts input from the headset connection, includes clip and windscreen, B-Stock with full warranty, may have slight traces of use"