The 20 Watt GaN charger charges smartphones, tablets, smartwatches, TWS earbuds, and speakers from many brands such as Apple, Samsung, Huawei, Xiaomi, and Oppo. The wall charger with USB-C port provides fast and safe charging, equipped with 1 GaN USB-C port: very powerful yet smaller than a standard universal charger (check the technical specifications of your device to be charged) delivers 20 Watts of power: smartphone charged in 45 minutes, tablet in 90 (charging times are indicative and depend on the battery capacity of the device being charged) Power Delivery technology: ensures power and safety with a European plug.