Wireless mic+mixer "all in one"

[karaboy]

I'm buying for home using. The specs ok for new user?
Excelvan MU-6S Wireless Handheld Microphone Dual Channel UHF System with Fixed Frequencies Bluetooth Dynamic Cartridge Effect
https://s.click.aliexpress.com/e/cH1kvQp6

[DanG2006]

My biggest issue is if the mic or receiver part breaks then what? Better a separate wireless mic system and mixer.