Tetra-Teknica Lavalier Lapel Clip-on Omni-Directional Condenser Microphone with 3.5mm Standard TRS Connector, Color Black, 3 Pack 3.5mm standard TRS connector compatiable with any device has 3.5mm TRS jack, adaptor is required when used with smart phones Omni-Directional Polar pickup pattern Includes 1 lapel clip and 2 microphone windscreens per pack, 3 pack per box 4.6 feet audio cable Designed for applications requiring minimum microphone visibility with hand-free operation