The whole gives an impression of quality, plug, cigarette lighter plugs easily and stays in place. The micro USB plug also plugs firmly and 2A load fast enough. We'll see over time but I already tried other cheaper chargers that ended up in the trash. This one seems more robust. In terms of the power cable gives 2A and 1A supplémanetaire taken, keys gift 3.4A displayed are misleading because it is the addition of both.