Easy Insert and Play Noise Isolator Buzzing Noise Reducer for Eliminating Humming in Sound Devices 3.5mm Port

Insert and play, no need to set up, just insert in the 3.5mm interfaces to use. Eliminate various types of current noise, improve current noise generated by the playback device, and enjoy original sound. Wireless link plays smooth mobile music, voice calls, navigation plays safe driving. Easy Insert and Play Noise Isolator Buzzing Noise Reducer for Eliminating Humming in Sound Devices 3.5mm Port. Features: Insert and play, no need to set up, just insert in the 3.5mm interfaces to use. Eliminate various types of current noise, improve current noise generated by the playback device, and enjoy original sound. Wireless link plays smooth mobile music, voice calls, navigation plays safe driving. A speaker without wireless function can also play wirelessly when connection to 3.5mm interfaces. The common ground isolation module can effectively eliminate sound of current generated by the common ground, allowing you to hear purer and quieter music. Noise reduction designing, build-in noise filte