The Xiaomi Mi AI Speaker Mini features an intelligent voice operation and can be used to control several Mijia products. Moreover, the speaker also provides support for time management, weather checking, music playback and much more. 
Transmission distance of 10m and SNR value of 78dB. the speaker delivers 2W output with Impedance of 4 ohms.
Connectivity : WiFi
It is compatible with smartphones running Android 4.4 and iOS 8.0 or greater, and also work as a Bluetooth speaker.