In their latest Indiegogo update Fxtec informed that "However, we are no longer able to include the spare batteries in these shipments as they have been in storage for a while and may not perform optimally. Instead, we’ll be replacing these with Fxtec earphones with adjustable eartips."
Now, I'd like to know
a) is Fxtec sending new batteries at all if the ones in our phones do not work?
b) at least, if Fxtec avoids its responsibilities, what are the specifics and type number of the batteries in our phones?
c) as many have complained that batteries drain rather quicly, are there other