<s>
Acer	B-Device
Gemstone	I-Device
series	I-Device
is	O
multimedia/gaming	O
laptop	O
range	O
from	O
Acer	O
.	O
</s>
<s>
Acer	B-Device
Gemstone	I-Device
Blue	O
series	O
includes	O
features	O
such	O
as	O
Blu-ray	O
optical	O
device	O
,	O
DDR3	O
memory	O
module	O
etc	O
.	O
</s>
