5
download EXPAIN app (iOS or
Android). See separate section
or www.expain.com for more
information.
The unit is wireless, powered with a
rechargeable battery and is placed
on the painful muscle in the
forearm, and where the forearm is at
its thickest.
Before Use
EXPAIN Change Arm is made for
personal use. Read instructions
carefully. The unit must be
charged before the rst use. See
section for battery and charging
for more information on how the
device is charged. (NB: The device
should not be used at night,
and the unit should not be on the
body continuously for over 16 hours.
If there are signs of allergic reactions
or rash, immediately stop using the
device. Use the device with caution).