This is the Chinese version, but it works worldwide

If want connect app " xiaomi earbuds " , it need change the app region to Chinese mainland ,it will ok .

Lightweight, long-lasting, dynamic sound quality 
14.2mm large dynamic unit 
Built-in five tuning modes 
30 hours long battery life 
Delicate, lightweight and half in-ear 
Colorful and dynamic, trendy and versatile 
Dual-microphone talk against wind noise 
Bass surging, good sound quality