Speaker Mic for Vertex Standard VX-160 VX-180 VX-210 VX-210A VX-410 VX-420 VX-231 VX-350 VX-351 VX-354 VX-261 EVX Series. Heavy Duty Construction, Kevlar reinforced. 12 Months Warranty. Clear Coil Cord Surveillance Earpiece Included. Excellent Audio Quality, Rugged Construction. 6' Soft Heavy Duty Flexible Cord and Swivel Clip.