<s>
A	O
range	O
of	O
accessories	O
were	O
also	O
available	O
for	O
the	O
Universal	O
Connector	O
,	O
including	O
folding	O
keyboards	O
,	O
external	O
battery	O
packs	O
,	O
wired	O
and	O
wireless	O
modems	B-Application
,	O
and	O
many	O
more	O
.	O
</s>
<s>
The	O
Universal	O
Connector	O
cradles	O
were	O
the	O
first	O
synchronization	O
device	O
that	O
used	O
USB	B-Protocol
to	O
communicate	O
with	O
the	O
host	O
computer	O
,	O
in	O
addition	O
to	O
the	O
older	O
serial	O
port	O
standard	O
.	O
</s>
<s>
For	O
instance	O
,	O
the	O
Tungsten	B-Application
E	I-Application
had	O
a	O
mini-USB	O
connector	O
.	O
</s>
<s>
The	O
Universal	O
Connector	O
was	O
superseded	O
by	O
the	O
Palm	B-Application
Multi-Connector	I-Application
for	O
the	O
final	O
devices	O
released	O
by	O
Palm	O
,	O
this	O
standard	O
added	O
stereo	O
audio	O
output	O
and	O
mono	O
microphone	O
input	O
.	O
</s>
