Power-Z KM003C Portable USB-C Fast Charging Tester PD3.1 QC5.0 Digital Voltmeter And Ammeter Power Bank

2. Insert the charger into the C port at the bottom of the Power-Z 3. Turn on the power and using, easily monitor charging voltage, current, power and other data Function introduction: "Quick ": 1. Insert the Type-C port of Power-Z into the charging port of the mobile phone