SL7000 Series：SL7550, SL7550e, SL7580, SL7580e, SL7590, SL7590e. Advanced Nipple Covert Acoustic Tube Bodyguard FBI Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Motorola SL300 SL7550 7580 7590 SL4000 SL3500e SL1K SL1M Radio Bodyguard FBI Security Door Supervisor 1pin.
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