Product Description: 3.5mm Plug 3W Portable Mini External Speaker with Built-in Noise Filter for CB Radio Clear Radio Sound: Enhance your listening experience with this external speaker. Simply plug it in to enjoy clear and crisp radio sound, making communication more effective and enjoyable. Advanced Noise Filtering: Equipped with a built-in noise filter switch and a mute (-8db) switch, this speaker provides a superior audio experience by reducing unwanted noise and allowing you to focus on the important sounds. Versatile Compatibility: Designed for use with a variety of mobile and car radios, including models FT-8100R, FT-8800R, FT-2600M, FT-3000M, FT-1802M, and FT-1807M. This universal speaker is perfect for enhancing your radio setup. Compact and Portable: Its mini size makes it easy to carry and store, providing greater convenience whether you're on the go or setting up in a fixed location. Ideal for those who need a portable audio solution. Adjustable Volume Control: This hand-held external speaker features volume control, allowing you to adjust the sound to your preference for a personalized listening experience. Upgrade your radio communication with this Portable Mini External Speaker, offering clear sound, noise reduction, and versatile use in a compact design. Perfect for both professional and personal use.