2 Port USB Wall Travel Charger, White, 3.1 Amps for Powering Smart Phones, Tablets, and Other USB Powered devices. Includes 1 Qualcomm Quick Charge 3.0 port. Our 3.1 total amp 2-port wall charger, one of which is Quick Charge 3.0 certified for rapid charging, will charge any compatible devices quickly and safely. These chargers are high-efficiency devices with quality in mind, featuring overvoltage and overcurrent protection to help prevent battery failure.