christian.boss1 year ago+110Which plug is used to charge the battery? Micro-USB or already USB-C?Show in original language (German)Anonymous1 year ago+110 Helpful answerNeither, the helmet comes with a magnetic proprietary cable/plug connector, similar to some fitness trackers & smartwatches.Show in original language (German)CommentChrigeee1 year ago000And the proprietary cable has a USB type A at the other end. Show in original language (German)Comment