Jabra Sony Ericsson W300 / w300i / W550i / W600 / w600i / W660 / W700 / w700i / W710 / w710i / W712a / W55... (BLUETOOTH-85) Transceiver "ear pieces" Questions

...1-1 1/2 hours at most! Is this all the time a charge gets you? I think I'll go back to my plug in ear piece if that's so. Thanks for any help/suggestions. Regards, Andrea You should have up to 4