Av-jefes Tcm141ll35 Lavalier Microphone for Sennheiser Element: Electret Condenser Pattern: Omnidirectional Impedance: 1000 Ohm +/- 30% Cord Length: 65 Inches RoHs and REACH Complied. Without Pb, Hg, Cd, Cr6+, PBB, PBDE.