Mediasonic ProBox Dual USB Wall Charger 5V / 2.1A / 10.5W (White) Intelligent dynamic charging current control, Ultra-compact design 2 Port USB 5V / 2.1A Maximum 10.5W Output Safety Protection: Over Current Protection, Over Load Protection, Over Voltage Protection, Over Voltage Protection CE / FCC / UL / TUV Certified Input: AC 100 ~ 240V 0.3A 50/60Hz, Output: DC 5V / 2.1A (Max)