Qualcomm Quick Charge 3.0 USB Wall Charger Designed with Lasted Technology The latest, fastest and most efficient USB charging technology in the world. Up to 4X faster than standard chargers. Special reversible USB A plug enables you to insert it in either way easily, frees yourself from figuring out which side is correct when in darkness. Over-current, over-charging, short-circuit protection will make the charge safely, without any risk of overheating or damaging your devices. Perfect for all flagship smartphones and tablets of the market.