Osaki Massage Chairs

OS-4D JP Premium Japanese Massage Chair

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Osaki Pro OS-4D Pro JP Premium adopted KIWAMI MECHA technology that comes with 2 balls to give ideal and preferred custom-made massage for various body type.

**Osaki will contact you to schedule a time and day for delivery, and does not ship to PO boxes**

Product Details


  • Kiwami Mecha 4D Kneading Ball System
  • Air Magic - Shoulder, Arm, Waist, Seat, Foot & Calf
  • Kiwami Mecha Mode - 28 Different Types of Massage Techniques
  • Foot Sole Massage - Adjustable


29 types of kneading technique

Kneading, Tapping, Up/Down basic movement and 4 modes of various movement to enjoy the variety of massage programs. Air magic massage provides comfortable relaxation and stimulation to your muscle. Equiped with high speed pressing and releasing action of airbag, which holds whole body and gives comfortable air massage.

3 Air Option
Comfort massage from arm to fingertip, shoulder to upper arm for all body types:
  • Pelvis Therapy: Intensive massage for pelvis with various programs.
  • Hold and Foot: Fix thigh firmly and move the feet down for stretching.
  • Pulse Mode: A rhythmical, human-like massage which consists of high speed repetition of pressurization → holding → depressurization which helps promote blood circulation.
Natural Fit Function
Natural fit fuction for every human body size. 2 steps of spring slide.
Sole Heat Massage 
Warming up massage by the heater function.
Remote Control
Equip the remote with Highly function. Easy to operate auto, manual course for any user by LED display.
10 Preset Program
Equipped with 5 basic courses and 5 stronger KIWAMI MECHA courses. When pushing the KIWAMI mode button, each course changes to KIWAMI course.
3D Point Navigation System
The detecting system to map the back curvature with more accuracy.
Electric Reclining
The seat back is reclined from 120 to 170 degrees by remote control operation.

Removable Back and Pillow Pad
The pad and pillow can be removed for easy cleaning.