Can I charge my ZeFit2 with a wall plug ? October 21, 2015 20:18 Updated Yes it can be charged with a wall plug (100-240V) (with its USB charging dock). Related articles ZeFit2 is not charging, no battery indicator shows up? How can I upgrade my ZeFit2 Pulse with the latest firmware available? Charging procedure After upgrading ZeFit2 Pulse firmware the display is stuck on the upgrading icon What are the system requirements to use the ZeRound?