Compatibility: The microphone hanger is compatible with Alinco, Anytone, Bao-Feng, Kenwood, Midland, Motorola, Uniden, Yaesu, speaker mics with Round Knob The magnetic mic kit uses strong magnetic materials to ensure strong attraction, making the usage stable A strong magnet with adhesive backing is provided in the package so you can install it anywhere and use it easily What you get: 1PCS Mic Magnetic Kit, 1PCS Strong Magnet with Adhesive Back, 1PCS screwdriver. If you have any technical or unsatisfactory problems, plz contact us by clicking “RADIO MAX” that below the "Buy Now", and find the button "ask a question" Note:After pasting the adhesive back magnet, please leave it for at least 24 hours before use CB Microphone Magnetic Kit