prior to using the product!
■ Check your feet regularly for redness of the skin.
Excessive heat levels over prolonged periods of
time can lead to burns.
■ If the heated sock is used in firmly closed or
specially fitted footwear with a very narrow
shape, please make sure that the sock is not
wrinkled in the area of the heating element. This
could result in painful pressure points.
■ Never use the heated sock in combination with
other heated products (heated insole, heated
boot, etc.); there is a risk of excessive heat.
■ The heat should be switched off when entering
an environment with a considerably higher
temperature.
■ Do not use the product for warming animals.
■ Check the product regularly for signs of wear or
damage. If you notice any of these signs, if the
product was used improperly or if the product
does not work, bring it back to the dealer before
using it again.
■ The lithium packs must only be used with
compatible LENZ products!
■ Discharge and recharge the lithium packs half
way every 6 months!
– 12 –
■ Only use the supplied USB charging cable (USB
Charge Cord Type 1) to charge the device.
It is designed for indoor use and must not be
exposed to humidity.
■ The lithium packs must not be charged or stored
outside of the permitted ambient temperature of
+10°C to +30°C.
■ The lithium packs must not be discharged
outside the permitted ambient temperature of
-20°C to +30°C.
■ Always store the lithium packs with the contact
protector installed.
■ When the lithium packs are not in use, keep
them away from other metal objects such as
paper clips, coins, keys, nails, screws and
other small metal objects which could form
a connection between the contacts. Short-
circuiting the connections may cause burns
or fire.
■ Do not charge or store the lithium packs near
flammable substances!
■ Never try to open the lithium packs! Improper
handling of the lithium-ion batteries can lead to
an explosion!
■ Damaged lithium packs must no longer be used
and must be disposed of immediately.
– 13 –