Swissten charger has two USB output ports. First has Qualcomm 3.0 technology and second has output power of 5W. Packed in SWISSTEN retail pack. Fast charging Charger has high output power of 23W. First USB charger port is designed for fast charging of Qualcomm smartphones supporting. The second USB port has output current of 2.1A. Specifications: Input: 100V-240V, 50-60Hz, 0.65AOutput: QC3.0: 5V / 3A, 9V / 2A, 12V / 1.5AUSB output: 5V / 2.1AMax power 23W