Product Specification:-Input AC 100-240V-USB Output 5V / 8A (total)-Size 91 x 58 x 26mm / 3.6 x 2.3 x 1.0in-Weight 235g / 8.3oz-PowerIQ: Detects your device. Delivers the fastest charge.Exclusive to Anker, PowerIQ amp-adjustment technology intelligently identifies your device to deliver its fastest possible charge.-World’s Highest PowerAn industry-high 40 watts / 8 amps through five ports charges all your phones, tablets and other devices simultaneously-UL Certified SafeBuilt with industry grade materials and premium circuitry, our 40W Charger meets the rigorous safety standards of Underwriters Laboratories.-Grab ‘n Go ReadyAs small as a pack of cards, it comes with five different length cables to suit any situation.-• Compatible with all Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices. The iPod nano, iPod Classic, HP TouchPad, LG G2, Asus tablets and some GPS and Bluetooth devices are not supported