To prevent low-temperature
burns
Although this product is designed to
prevent low-temperature burns, please
pay special attention to the following
points when using the product.
• Check the condition of your skin
about once an hour. If you notice any
abnormalities, stop using the unit
immediately.
• If the unit feels too hot, stop using it
immediately.
• Do not use the unit when sleeping.
• Do not use the unit in bedding or near
heaters such as stoves.
• Pay special attention when someone
with poor circulation or impaired skin
sensation uses the unit.
On cleaning
• Wipe off any dirt gently with a soft
cloth. If the unit is very dirty, soak a
soft cloth in neutral detergent diluted
with water, wring it out hard, wipe off
the stain, and then wipe dry with a dry
cloth. Do not use alcohol, benzene,
thinner, etc.
• Strongly wiping off the unit using
a cloth with dust may scratch the
surface of the unit.
EN
18
Specifications
Power source
DC 3.7 V: Built-in lithium-ion rechargeable
battery
DC 5 V: When charged using USB
Operating temperature range
5°C — 40°C
Dimensions (w/h/d)
Approx. 125 mm × 45 mm × 170 mm
(when the unit and the air vent cover
(long) are attached to the neckband,
including the band)
Approx. 55 mm × 23 mm × 117 mm (unit
only)
Mass
Approx. 160 g (when the unit and the
air vent cover (long) are attached to the
neckband)
Approx. 116 g (unit only)
Communication specification
Communication system:
Bluetooth 5.0 Low Energy
Output:
Bluetooth Specification Power Class 2
Frequency band:
2.4 GHz band (2.4000 GHz — 2.4835 GHz)
External interface
USB Type-C®
System requirements for battery
charge using USB
USB AC adaptor
A commercially available USB AC adaptor
capable of supplying an output current of
1 A (1 000 mA) or more