1. Bule Led indicator light.
2. Quick charge with dual USB protocol.
Use protocol to quickly charge QC3.0, Can greatly shorten the charging time.
3. Voltage number real-time display.
Voltage digital display, you can understand the car's battery status in real time.
4. Widely used:
Widely used for power supply of power equipment: Tablet PC, GPS, mobile phone, mp3, etc.