Keyuantai 2-port 15.5w 3.1 Amp Dual USB Wall Charger PowerPort 2 with iSmart Technology for iPhone SE / 6s / 6 / 6 Plus, iPad Air 2 / Pro / mini 3, Galaxy S7 / S7 Edge / S6 / S6 Edge and More (Grey) 2 intelligent USB port design: detects your device automatically to deliver its fastest possible charge speed up to 2.1 amps per port or 3.1 amps overall Charge faster and save time.Charge any two smartphones or tablet devices simultaneously, at top speed Multiple safety system: over-charging, over-heating, over voltage, over current and short circuit protection Ergonomic, compact and portable design, input voltage suits for international travel, much more space-saving and well-organized while charging your devices What You Get: Keyuantai 2-port USB charger, instruction manual