Please note: The positive and negative poles must not be wrongly connected, as this will cause the equipment to not work .
Using pure copper material with strong conductivity, stable output and ensuring higher safety.
5.5mm X 2.5mm universal DC port,match with variety of electronic products.
There's a red indicator light to let you know its working.
2x 0.5 mm²(20AWG) copper conductors, individual wire insulation and flexible flame -retardant PVC jacket provide you a safe and reliable cable with better conductivity.