Check the listing for details. The Singing Machine SMM205 Dynamic Professional Microphone Unidirectional. Color: Black, Condition: Used. Listed at 7.99 USD. This Singing Machine SMM205 Dynamic Professional Microphone is perfect for all your karaoke needs. With its wireless connectivity, you can sing along to your favorite tunes without worrying about tangled cords. The microphone is designed with a unidirectional polar pattern, making it easy to direct your singing into the right direction. The Singing Machine SMM205 Dynamic Professional Microphone comes in a sleek black color and is suitable for any type of karaoke entertainment. Its dynamic transducer type ensures high-quality sound and the brand is well-known for producing top-notch musical instruments and gear. This microphone is perfect for anyone who wants to sing along to their favorite tunes with ease. Singing Machine Wired Microphone for Karaoke, (Black) - Unidirectional Dynamic Vocal Microphone - Plug-in Microphone for Karaoke Machine, AMP, & Speaker - Mic for Singing, Public Speaking, & Parties