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*This is a new and unopened product. For initial defects, please contact the manufacturer directly.
*Taking measures to prevent replacement.

AC 100V

Please note that you may need a transformer or adapter, depending on your country.

The instruction manual is written in Japanese.

DOSHISHA Super Gorilla No Hitotsukami Calf Massager GRF-2401 (Gray)

This is a high-power, single-leg air compression calf massager from DOSHISHA, the Japanese domestic model (GRF-2401) known for its intense "Gorilla-like grip" massage. Features a powerful pump and easy-to-use velcro wrap.

Key Features:

High-Power Air Compression: Delivers an intensely strong massage (described as "painfully pleasant" for those who find standard models insufficient).

3 Intensity Levels: Adjustable air pressure (Strong / Medium / Weak). Max pressure is approximately 60 kPa.

Single-Leg, Lightweight Design: Easy to wear, store, and use on the go.

Easy Operation: Simple one-touch start with 10-minute auto-off timer.

Product Specifications:

Model No.: GRF-2401

Electrical Rating: AC100V 50/60Hz, 5W

Rated Power Consumption: DC 5 V 4 W

Timer: 10 Minutes (Auto Off)

Dimensions: Approx. 23.6 in (60 cm) L x 7.9 in (20 cm) W x 1.2 in (3 cm) H

Weight: Approx. 0.86 lb (390 g) (Including AC adapter)

Material: Polyester (Main Body Fabric)

Compatible Calf Size: Approx. 11 in (28 cm) to 20.5 in (52 cm) circumference

Cord Length: Approx. 6.6 ft (2 m)

Origin: China

Accessories: Dedicated AC Adapter, Instruction Manual / Warranty

Important Notice for Overseas Buyers (Safety & Usage)

Voltage and Transformer Requirement This appliance is designed for use in Japan (100V only). Using it with 120V (US/Canada) or 220–240V (Europe/Australia/Asia) may cause overheating, damage, malfunction, or fire hazard.

You MUST use a certified step-down transformer rated for the 5W required by this device.

Plug type: Japanese Type A (two flat pins, ungrounded). An adapter may be required.

Safety Warning: Please Read Before Use This massager is high-powered and intense. To prevent injury, DO NOT use if you:

Are elderly and suspect or have weak bones/osteoporosis.

Are pregnant or have recently given birth.

Are prone to easy bruising.

Experience any physical abnormality or discomfort during use.

Keep away from children; this is not a toy.

Manual and Warranty

Manual in Japanese only. No other language manual is included.

Warranty is valid only in Japan. No international warranty is provided.