Feature:1. BUILT IN MICROPHONE AND SPEAKER: In noisy environments, long distance directional microphones and speakers can also transmit high quality sound and help provide truly perfect long distance communication.2. FIBER YARN: It also known as yellow denier, bulletproof yarn. Under the same quality conditions, the strength is 5 times that of steel wire, 2.5 times that of Egrade glass fiber, and 10 times that of aluminum.3. WIDE APPLICATION RANGE: For Kevlar fiber yarn is widely used in tennis rackets, automobile airbags, seat belts, body armor, fireproof clothing, sportswear, gloves, shoes and outdoor backpacks.4. FUNCTION: This is a hand held speaker microphone with very good performance. It can transmit sound clearly through a flexible and durable cable.5. ACCESSORIES: This is a car mobile radio speaker microphone with RJ45 8 pin connector. It is an indispensable electronic device for home travel.Specification:Item Type: MicrophoneMaterial: ABSModel: HMN3596Colour: BlackFunction: Wireless Communication MicrophoneSensitivity: 58dbCable Length: Approx. 1m or 3.3ftImpedance: 58Applicable Models: For CM140 CM160 CM200 CM300 CM340 CM360 For CDM750 CDM1250 CDM1550 CDM1550-LS CDM1550LS Plus DeskTracFor EM200 EM400 For GM1100 GM1200 GM1280 GM140 GM160 GM2000 GM300 GM3188 GM338 GM340 GM350 GM360 GM3688 GM380 GM600 GM640 GM640 GM660 GM900 GM950 For GR1125 GR1225 GR300 GR400 GR500 For LCS2000 LTS2000 For M10 M100 M120 M1225 M130 M200 M400 MaraTrac MaxTrac For MC2100 MC900 MCS2000 MCX1200 MCX2000 MCX600 MCX760 MCX780.Package List:1 x Microphone1 x Clip2 x ScrewNote:Please allow 00.1m or 00.33ft error due to manual measurement. Thanks for your understanding.