Samsung 1 Port GaN Travel Adapter With Cable - 25W - BlackA Black GaN charger is a charger that uses gallium nitride instead of the more common silicon in its construction. This makes it smaller, more energy efficient. Super Fast Charging 25W Compact Design Overcurrent protection Short circuit protection Temperature protection Low noise operation Rebust noise immunity Low leakage current With Cable What's in the box 1 x Samsung 1 Port GaN Travel Adapter With Cable