IFeng 2 pin Throat Mic Microphone Covert Acoustic Tube Earpiece Headset With Finger PTT for Two Way Radio Walkie Talkie Motorola XV2100 XV2600 XV4100 SV22 SV22C SU210 SU22 2 pin Throat Mic Microphone Acoustic Tube Covert Earpiece Earphone Headset Finger PTT(Push To Talk) for Motorola Radio Security Door Supervisor 2pin. Specifically designed for demanding tasks in paintball / airsoft setting. It is also widely used in discreet communications. Since the microphone transmits directly from your throat, it is not sensitive to the background noise. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles. With the best-quality transparent acoustic tube that could hardly be detected by people around you, this is also ideal for surveillance purposes and security at airports, casinos, crowd control at conventions and concerts, and other working environment requiring discreet communications. Compatible with : * XTN Series: XTN446, XTN500, XTN600 * XTN XV Series: XV1100, XV2100, XV2600, XV4100 * XTN XU Series: XU1100, XU2100, XU2600, XU4100 * Spirit Series: SV10, SV11, SV11D, SV21, SV12, SV22, SV22C, SU210, SU22, SU22C, SU220 * Spirit MU Series: MU11, MU11C, MU11CV, MU12, MU12C, MU12CV * Spirit MV Series: MV11, MV11C, MV11CV, MV22CV, MV24CVS * CP Series: CP88, CP040. CP100, CP110, CP125, CP150 * GP Series: GP2000 , GP2100 * P Series: P040, P080, P110, P1225, P1225LS