Cable Matters 24W 4.8A 4-Port USB Wall Charger with Twin-Pack Micro-USB Charging Cables HIGH POWERED USB CHARGER WITH BONUS CABLES has 4 USB ports to simultaneously charge four smartphones or two tablets at full speed; Ideal for the road warrior with multiple devices or when traveling with the family; Bonus Combo-Pack of 3 and 6 foot Micro-USB charging cables are included with this USB charging station SAFETY FEATURES with Overcurrent, Overvoltage, and Short-Circuit Protection protects your valuable devices; The reliable USB wall wart Maximizes the charging efficiency of connected devices without any risk of overcharging SMART DEVICE DETECTION chipset automatically adjusts the charging speed to re-charge your device at the maximum rate; No vampire power draw when devices are fully charged PORTABLE USB TRAVEL CHARGER weighs only 4 ounces to travel easily with your USB gadgets; Retractable electrical plugs pivot back into the charger for snag-free portability or storage; The universal USB wall charger eliminates the need to carry multiple power adapters UNIVERSALLY COMPATIBLE with smartphones and tablets such as iPad, iPhone, Samsung Galaxy, Google Nexus 6, LG G Pro, G Flex, and HTC One; 100-240VAC rating is ideal for international travel when combined with a compatible adapter; Re-charge an external power bank while charging a cellphone or a tablet