Can I charge my ZeRound with a wall plug? May 21, 2016 08:01 Updated Follow Yes, you can charge your ZeRound with a wall plug using its USB cable with an adapter. Related articles My ZeRound is not charging, what should I do? How to charge my ZeRound? Can I wear ZeRound while swimming or showering? How to clean the band of my ZeRound? How to sync my data on ZeFit³ HR App ?