One end of the cable is a USB A male end and the other end is a DC head. Charge electronic device via the USB port of your PC, USB travel charger, or USB car charger
The 5 Volt DC Jack. The outer diameter of the DC head is 3.5 mm and the inner diameter is 1.35 mm. The internal is the positive pole of the power supply and the external is the negative pole of the power supply
Conductor of the core wire: 17 bare copper wires, the diameter of a single bare copper wire is 0.15 mm. Outer cover compound: black PVC
Low impedance. For small electronics and devices which uses a DC 3.5mm barrel jack for a power cord
The cable length is 50 ± 5cm