Gallium Nitride (GaN) technology delivers highpowered, fast, efficient charging, generates less heat and allows for smaller and lighter chargers, making them ultraportable. The GNC-140 charger is made with high-quality, flameresistant materials and features four safety protection systems to ensure your safety while charging. For Device Type: Mobile Devices; Adapter/Charger Type: Wall Charger; Power Source(s): AC Wall Outlet; Connector/Port/Interface: USB-A; (3) USB-C.