I'm not sure I understand your question, but any model with interchangeable bands, I think any model that is sold now including the Inspire, can be charged with the strap on or off, though usually the strap is just left on while charging.
Best AnswerThe one I ordered which was no good for me it charged by magnetically attaching you had to line up 2 little points on device which I found difficult, the flex I had just went into a little charging case type thing and I plugged it in Two the wall and it charged I could manage that fine.
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