SPM600M20 Remote Speaker Microphone with 3.5mm Privacy Earpiece Port, Black Cable Make clear, hands‑ communication while keeping private audio discreet. The SPM600M20 is a remote speaker microphone with a black cable and an integrated 3.5mm privacy earpiece port that lets you listen privately without removing or handling your radio. Key benefits Reduce noise and distraction: Move the microphone away from the radio and place it where it is easiest to access, so you can speak and listen without fumbling for the radio. Maintain privacy: The 3.5mm privacy earpiece port supports a discreet earpiece (sold separately) so only the user hears incoming audio. Professional appearance: The black cable keeps a low profile on uniforms and gear. What it does Remote speaker microphone: Delivers clear audio transmission and reception at a convenient, wearable location. 3.5mm privacy earpiece port: Provides a standard connection point for a threaded or straight 3.5mm earpiece to enable private monitoring. Black cable: Offers a neutral, professional look and straightforward routing from radio to microphone. Key attributes Model: SPM600M20 Functionality: Remote speaker microphone with integrated 3.5mm privacy earpiece port Cable: Black cable for connection and placement convenience Port: Standard 3.5mm privacy earpiece jack Typical applications Security and public safety: Keep communication accessible at the shoulder while protecting sensitive information with private listening. Event and hospitality staff: Manage crowd coordination and respond quickly without handling the radio. Field services and facilities: Maintain clear radio access while performing hands‑on tasks, with private monitoring when required. Why choose the SPM600M20 This remote speaker microphone is designed for professionals who need reliable, private audio access without changing how they wear or use their radio. The simple, proven design and the included 3.5mm privacy earpiece port make it easy to add discreet listening to standard radio setups. Contents and compatibility Model SPM600M20 with black cable and 3.5mm privacy earpiece port. (Earpiece and radio not included.) Intended for use where a remote speaker microphone and private listening option are required. If you need a straightforward remote speaker microphone solution that adds private audio capability, the SPM600M20 offers an uncomplicated, professional option.