Materials & Components

Model Number:
GRF-2401

Power Supply:
AC100V 50/60Hz 5W (using the dedicated AC adapter)

Main Unit Rating:
DC5V 4W

Dimensions (approx.):
W60 × D20 × H3 cm (when expanded)

Weight (approx.):
Before specification change: 330 g (including AC adapter)
After specification change: 390 g (including AC adapter)

Power Cord Length (approx.):
2.0 m

Material:
Main unit: Outer and inner fabric made of 100% polyester

Air Pressure:
Maximum 60.0 KPa (±10%)

Compatible Size (approx.):
Calf circumference 28–52 cm

Included Accessories:
Instruction manual, warranty card ×1, dedicated AC adapter
This is not a medical device.

Storage and Usage Instructions

Always hold the AC adapter when plugging or unplugging.
The usage time for each session should be no longer than 10 minutes, and avoid using it continuously on the same spot.
If you experience any discomfort during use, stop immediately and consult a doctor.
If the device stops working or if you notice any abnormalities, turn off the power immediately and disconnect the DC plug from the device.
If the device becomes unusually hot or emits strange noises, unplug the AC adapter from the socket immediately.
Start each use from the "Low" (gentle stimulation) setting.
Do not use household detergents, thinners, gasoline, alcohol, or abrasive powders for cleaning.
Do not use the device under the following conditions:

• When feeling extremely fatigued.
• When intoxicated.
• If you have a rash.
• Within one hour before or after meals.
  Using the device during these times may cause discomfort.
  Do not place the device or accessories in direct sunlight or in high-temperature environments.
  Do not use the device together with other therapeutic devices.
  Do not use directly on inflamed or wounded areas.
  Do not use or store the AC adapter power cord when it is twisted.
  Do not fall asleep while using the device.
  Do not wrap the included AC adapter or power cord.
  Do not use in a car.
  Do not place the included attachment part on your fingers or fingertips.
  Do not attach anything other than the included attachment part to the device’s Velcro areas.

Please read the precautions in the instruction manual carefully and use the device properly.