<s>
The	O
Kyocera	B-Application
Echo	I-Application
(	O
sometimes	O
referred	O
to	O
as	O
Sprint	O
Echo	O
)	O
is	O
a	O
smartphone	B-Application
manufactured	O
by	O
Kyocera	O
of	O
Japan	O
,	O
and	O
distributed	O
by	O
Sprint	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
It	O
runs	O
the	O
Google	B-Application
Android	I-Application
operating	O
system	O
.	O
</s>
<s>
Sprint	O
claims	O
it	O
as	O
the	O
"	O
first	O
dual-screen	B-Device
smart	B-Application
phone	I-Application
"	O
.	O
</s>
