The cable is compatible with all devices with a Micro USB 2.0 connector, such as the Galaxy Note 4 and the Galaxy Note Edge. Rapid Charging The Samsung 2 Amp Wall Charger plugs into any standard wall outlet via the included AC adapter, and its compact design means it is small enough to throw in a briefcase or backpack when you're on the go. Samsung's charging technology powers your phone while it charges its battery, so you can make calls, check your messages or browse the Web while your phone is charging. This Samsung charger has an output of 2 Amp to give your phone power at a much faster rate than your typical 1 Amp or 700mAh charger. Additionally, it comes packed with Adaptive Fast Charging technology that will charge Samsung devices with that feature built-in at an even faster rate!