MS-LAV-2 - Master Series Low noise Uni-Directional (cardioid) lapel microphone with 2 meter detachable cable Smooth frequency response Can be used directly with device that has 1.5 to 10vdc "plug-in-power" available at the mic jack or with one of our battery modules. Note: If your device does not supply any power for microphone, you must use battery module to power your microphone. Premium windscreen and removable clip included 78 inch cable (SP-SPSC-8-78)