I found some on Amazon under various "brand" names. All likely sourced from this Aliexpress page: https://www.amazon.com/Years-Girls-Karaoke-Microphone-Birthday/dp/B07RDLMTWP
I found some on Amazon under various "brand" names. All likely sourced from this Aliexpress page: https://www.amazon.com/Years-Girls-Karaoke-Microphone-Birthday/dp/B07RDLMTWP