Check the listing for details. Diamond Magic duet EX19DD Wireless Karaoke Replacement/add On Microphone Works. Color: Gold, Condition: Used, Made in China. Listed at 39.99 USD. The Diamond Magic duet EX19DD Wireless Karaoke Replacement/add On Microphone is a handheld microphone designed by the brand Magic Sing. This gold-colored microphone is suitable for karaoke use, providing a high-quality sound experience for singers. With its wireless capabilities, users can enjoy freedom of movement while performing. Perfect for adding an extra microphone for duets or group performances, this microphone is a versatile and stylish addition to any karaoke setup.