<s>
Quell	B-Device
is	O
a	O
wearable	O
device	O
,	O
manufactured	O
by	O
Neurometrix	O
,	O
that	O
claims	O
to	O
offer	O
relief	O
from	O
chronic	O
pain	O
without	O
the	O
use	O
of	O
drugs	O
.	O
</s>
<s>
Quell	B-Device
is	O
an	O
FDA	O
approved	O
band	O
worn	O
on	O
the	O
calf	O
and	O
uses	O
Transcutaneous	O
Electrical	O
Nerve	O
Stimulation	O
(	O
TENS	O
)	O
technology	O
.	O
</s>
