Mediasonic SmartCharge 40W 5 Port USB Charger (UC-540W-WT) (5 Port White) 5 USB Port with Maximum 40W output, and Max 2.4A output per port Intelligent Technology to identify device needs to provide maximum power for high speed charging Premium quality component with UL safety standard and built-in safety IC to prevent over-current, over-voltage, and short circuit. Compatible with Apple iPhone and Android smartphones, tablets, and electronic devices that take 5V voltage Safety Certification: UL / cUL / CE / FCC / Rohs, Power Input: AC 100 - 240V, Power Output: DC 5V / 8A (Total) Max 2.4A per USB Port