Haweel QC3.0 3.4A Dual USB Ports LED Current Display Swing Head Design Car Charger for Xiaomi 6 S8

Features:

- The plug is flexible, can be 90 degrees swing 
- With LED screen, to show car battery voltage & prevent your phone from overcharge. 
- When the voltage is below 11.8V or 18V - 23.8V, the buzzer alarm will automatic ring. 
- The current will be shown on the screen automatically. 
- With Intelligent Chip inside, the current will automatically share while using. 
- You can charge 2 USB devices at full speed simultaneously