miroir7 years ago000Hello, I received the charger today. Unfortunately there is no 220V / USB adapter included. Can I use one from another device, for example smartphone ?Show in original language (German)Anonymous7 years ago • purchased this product000purchased this productHello Miroir Yes you can in this case. Most smartphone adapters have an output voltage of 5V. This voltage is also required for the GoPro charger.Show in original language (German)Comment1 comment