Av-jefes Tcm141ll-ta3 Lavalier Microphone for Akg, Samson Element: Electret Condenser, Pattern: Omnidirectional RoHs and REACH Complied. Without Pb, Hg, Cd, Cr6+, PBB, PBDE. Cord Length: 65 Inches Compatible with AKG & Audio2000's AWM6528, AWM6952 Transmitters Compatible with Samson transmitters: AL-300, CT3, CT7, VT2L, UT1L, T32