Metal hanging clip. Soft and flexible coiled cable. Noise-canceling microphone for clear voice transmission. High-quality, and environmentally friendly PU cable. Talk and listen without moving the intercom. Simply clip the microphone in a convenient location to listen and send. Compatible parts: HMN3413A, HMN3596A, GMN6146. Connector: for 8-pin RJ45 connector. Compatible models: EM200, EM400; LCS2000, LTS2000; CM140, CM160, CM200, CM300, CM340, CM360; GR1125, GR1225, GR300, GR400, GR500, GTX mobile; CDM750, CDM1250, CDM1550, CDM1550-, CDM1550LS More M10, M100, M120, M1225, M130, M200, M400, for MaraTrac, for MaxTrac; PM400, PRO3100, PRO5100, PRO7100, SM120, SM50, Sportbase. GM1100, GM1200, GM1280, GM140, GM160, GM2000, GM300, GM3188, GM338, GM340, GM350, GM360, GM3688, GM380, GM600, GM640, GM640, GM660, GM900, GM950; MC2100, MC900, MCS2000, MCX1200, MCX2000, MCX600, MCX760, MCX780. Color: Black Material: plastic Package Contents: 1 x Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.