Av-jefe Tcm141-m3 Lapel (Lavalier) Compatible with Akg, Samson Wireless Microphone System Element: Electret Condenser ; Pattern: Omnidirectional RoHs and REACH Complied. Without Pb, Hg, Cd, Cr6+, PBB, PBDE. Impedance: 1000 Ohm +/- 30% Dperating Voltage : 1V - 10V DC ; Cord Length: 65 Inches Package Included:Package Included: Ezprogear EZ-15-MM Windscreen, Ezprogear 6308-141 Tie Clip