I had Shokz bone-conducting headphones (openmove or something like that?), but unfortunately the battery died after a single charge. It was a shame 'cause I was

I had Shokz bone-conducting headphones (openmove or something like that?), but unfortunately the battery died after a single charge. It was a shame 'cause I was really fond of them. If/when my headphones give the ghost I'll give them another shot.