<s>
slotRadio	B-Device
was	O
a	O
proprietary	O
format	O
developed	O
by	O
SanDisk	O
that	O
delivered	O
music	O
on	O
a	O
microSD	O
memory	B-Device
card	I-Device
.	O
</s>
<s>
Songs	O
could	O
only	O
be	O
played	O
using	O
a	O
SanDisk	O
Sansa	O
music	O
player	O
that	O
supported	O
the	O
SlotRadio	B-Device
formatted	O
microSD	O
cards	O
.	O
</s>
<s>
In	O
January	O
2009	O
,	O
SanDisk	O
introduced	O
a	O
Sansa	O
music	O
player	O
with	O
an	O
MSRP	O
of	O
$99.99	O
that	O
was	O
bundled	O
with	O
a	O
SlotRadio	B-Device
music	O
card	O
that	O
included	O
seven	O
playlists	O
:	O
Alternative	O
,	O
Contemporary	O
,	O
Country	O
,	O
R&	O
B/Hip	O
-Hop	O
,	O
Rock	O
,	O
Workout	O
,	O
and	O
Chillout	O
.	O
</s>
<s>
SlotRadio	B-Device
gave	O
consumers	O
access	O
to	O
a	O
large	O
library	O
of	O
music	O
but	O
unlike	O
individual	O
MP3s	O
that	O
were	O
purchased	O
,	O
the	O
playlist	O
was	O
predetermined	O
and	O
the	O
user	O
had	O
only	O
the	O
ability	O
to	O
skip	O
songs	O
forward	O
,	O
much	O
like	O
a	O
radio	O
or	O
music	O
streaming	O
service	O
Pandora	B-Application
,	O
hence	O
the	O
name	O
slot	O
"	O
Radio	O
"	O
.	O
</s>
<s>
SlotRadio	B-Device
cards	O
were	O
sold	O
for	O
$39.99	O
.	O
</s>
<s>
SanDisk	O
showed	O
the	O
first	O
slotRadio	B-Device
player	O
and	O
card	O
at	O
CES	O
2009	O
.	O
</s>
<s>
SanDisk	O
stopped	O
providing	O
slotRadio	B-Device
cards	O
on	O
March	O
31	O
,	O
2012	O
.	O
</s>
