Most of us have more than one device that charges via USB: tablets, smartphones, power bank, portable speakers, Bluetooth headphones and headsets, fitness activity trackers. And there’s a good chance you’ll regularly need to charge two (or more) of those devices at the same time. That’s where multiple ports USB charger come in - they take up only a single outlet yet provide the capability to charge a number of devices simultaneously. Instead of having to pack a gaggle of chargers for the family or when traveling alone, for your phone, tablet, headset, and Bluetooth speaker. Multi-ports charger are also great for travel. you can bring one charger that handles everything.