<s>
The	O
Griffin	B-Device
PowerMate	I-Device
is	O
an	O
input	B-Device
device	I-Device
produced	O
by	O
Griffin	O
Technology	O
.	O
</s>
<s>
The	O
original	O
PowerMate	O
required	O
a	O
USB	B-Protocol
port	O
,	O
but	O
a	O
wireless	O
Bluetooth	O
version	O
was	O
introduced	O
in	O
2014	O
.	O
</s>
<s>
The	O
PowerMate	O
can	O
be	O
set	O
up	O
such	O
that	O
the	O
clockwise/counter	O
-clockwise	O
rotation	O
of	O
the	O
input	B-Device
device	I-Device
causes	O
scrolling	O
up	O
and	O
down	O
of	O
a	O
web	O
page	O
in	O
a	O
web	B-Application
browser	I-Application
when	O
it	O
is	O
in	O
focus	O
on	O
the	O
desktop	O
,	O
or	O
the	O
system	O
audio	O
volume	O
when	O
it	O
is	O
not	O
.	O
</s>
<s>
The	O
status	O
LED	O
on	O
the	O
underside	O
of	O
the	O
PowerMate	O
could	O
be	O
set	O
up	O
as	O
an	O
indicator	O
of	O
resource	O
usage	O
,	O
e.g.	O
,	O
CPU	B-Device
usage	O
,	O
when	O
the	O
input	B-Device
device	I-Device
is	O
not	O
in	O
use	O
,	O
and	O
when	O
in	O
use	O
the	O
LED	O
could	O
be	O
set	O
to	O
indicate	O
volume	O
level	O
by	O
LED	O
brightness	O
.	O
</s>
<s>
Or	O
it	O
can	O
be	O
configured	O
to	O
scroll	O
through	O
your	O
browser	B-Application
page	O
history	O
and	O
push	O
to	O
refresh	O
.	O
</s>
<s>
It	O
would	O
also	O
work	O
well	O
for	O
breakout-style	O
games	O
.	O
</s>
<s>
The	O
Griffin	B-Device
PowerMate	I-Device
was	O
officially	O
supported	O
on	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
Windows	B-Application
XP	I-Application
and	O
Vista	B-Application
.	O
</s>
<s>
Griffin	O
's	O
software	O
for	O
Windows	O
works	O
under	O
Windows	O
7	O
and	O
8	O
but	O
crashes	O
occasionally	O
;	O
for	O
macOS	B-Application
,	O
there	O
is	O
no	O
official	O
support	O
past	O
Sierra	O
,	O
though	O
their	O
USB	B-Protocol
version	O
and	O
configuration	O
software	O
(	O
PowerMate	O
Manager	O
)	O
continues	O
to	O
work	O
on	O
later	O
versions	O
.	O
</s>
<s>
There	O
are	O
Linux	B-Application
and	O
Sierra+	O
macOS	B-Application
drivers	O
,	O
but	O
they	O
are	O
unofficial	O
.	O
</s>
