Scosche - Charge 4 device at once with the reVIVE IV USB Wall Charger. Each USB port supplies 1 Amp of power for charging your devices quickly and efficiently (supplying 4 total Amps of power. Use your existing USB cables to charge most USB devices including iPad, iPhone, iPod, Android device, BlackBerry, cell phones and more. The flush folding wall prongs make the reVIVE IV conveniently portable.