Osaki OS-Trion Flex Duo 4D+3D Massage Chair, Walking Technology, SORA Mode, 3 Arm Rollers, 50-Cell Compression

$9,999.00
$14,999.00
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Brand: Osaki
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$9,999.00
Only 15 left in stock
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5 Years Warranty 5 Years Warranty
Advanced Technology Advanced Technology

Full-body wellness with true dual-mechanism massage and lower body walking therapy.

The Osaki OS-Trion Flex Duo 4D+3D Massage Chair is an advanced full-body wellness system with premium synthetic leather and diamond-stitched side panels. It combines Duo Mech 4D+3D dual mechanism technology, walking motion technology, and 50-cell full-body air compression in one chair.

Duo Mech 4D+3D Dual Mechanism

The Duo Mech system operates two independent roller mechanisms at once. The 4D upper mechanism delivers adjustable pressure and rhythm to the neck, shoulders, and spine. The 3D lower mechanism works the glutes and hamstrings at the same time.

Programs and Massage Styles

The Trion Flex Duo offers 12 auto programs across Train, Boost, Target, and Recover categories, plus 6 manual massage styles. Walking technology adds 8 additional SORA Mode programs dedicated to lower body stretching. Together, this gives you a full library to match any recovery need.

Walking Technology and SORA Mode

Walking technology uses a scissor-action mechanism that mimics natural walking motion. It stretches and decompresses the glutes, hamstrings, lower back, and knees. The 8 SORA Mode programs include Core Comfort, Hamstring Harmony, and Hip Sculptor.

Arm Rollers and Air Compression

Three active arm rollers on each side, six total, target the forearms and wrists with rolling relief. This works alongside 50 air cells that deliver compression across the arms, shoulders, hips, and calves. Together they support circulation and full-body relaxation.

Self-Adaptive SL-Flex Track

The flexible SL-Flex Track reshapes as the chair reclines to maintain consistent roller contact. It reaches from the neck and shoulders down through the spine to the thighs. This delivers accurate coverage at every recline angle.

Health Detection and Body Scan

Intelligent health detection reads heart rate, blood oxygen levels, microcirculation, and fatigue before every session. This data personalizes each massage to your body's current condition. A full body scan further adjusts the rollers to your unique shape and size.

Heat Therapy and Foot Reflexology

Heated foot rollers offer three levels of soothing heat alongside acupuncture-inspired pressure point relief. Lumbar and calf heating therapy adds warmth of about 75 to 83 degrees. The automatic footrest extends up to 6 inches to fit your height.

Controls and Connectivity

Intelligent voice control lets you start a massage by saying "Hey Alice." A touchscreen remote, quick shortcut side panels, Bluetooth speakers, wireless charging, and a USB port complete the experience.

Cloudy Mattress is an authorized Osaki US retailer offering fast nationwide shipping on this chair. This chair includes a 5-Year Warranty: 3 years full parts and labor, plus 2 additional years parts coverage. Space-saving design requires minimal wall clearance for a full recline.

Product Specifications

Design & Materials

  • Premium synthetic leather upholstery with diamond-stitched side panels

Massage & Comfort

  • Duo Mech 4D+3D dual mechanism (independent upper and lower tracks)
  • Self-adaptive flexible SL-Flex Track
  • 12 auto programs (Train, Boost, Target, Recover) + 6 manual massage styles
  • Walking technology with 8 additional SORA Mode programs (Core Comfort, Hamstring Harmony, Hip Sculptor, Cyclist's Bliss, Twist & Thrive, Dynamic Flex, Vitality Surge, Thigh Revival)
  • 3 active arm rollers per side (6 total), targeting forearms and wrists
  • 50-cell full body air compression
  • Heated foot rollers (3 heat levels) with acupuncture-inspired reflexology
  • Lumbar and calf heating therapy, approx. 75-83°F
  • 2-stage Zero Gravity reclining

Smart Detection & Controls

  • Intelligent health detection (heart rate, blood oxygen, microcirculation, fatigue index)
  • Full body scan on power-up
  • Intelligent voice control ("Hey Alice")
  • Touchscreen remote with quick shortcut panels
  • Wireless charging pad + USB port
  • Bluetooth speakers

Dimensions & Capacity

  • Upright footprint: 33.0"W x 71.0"L x 47.5"H
  • Reclined footprint: 33.0"W x 79"L x 34"H
  • Chair weight: 359.4 lbs | Max user weight: 270 lbs
  • Shoulder width: 22" | Seat width: 21"
  • Minimum doorway width: 30.0"
  • Wall clearance required: 2
  • Footrest extension: up to 6"

Power, Packaging & Warranty

  • Power supply: 110-120V, 50/60Hz
  • Package Box 1: 33.5"W x 65.0"L x 34.5"H, 269 lbs
  • Package Box 2: 15.4"W x 49.6"L x 28"H, 65 lbs
  • Package Box 3: 23.6"W x 24.8"L x 25.2"H, 88.2 lbs
  • Warranty: 5-Year total (3 Years Full Parts & Labor + 2 Additional Years Parts Only)
  • Available colors: Black, Brown, Taupe

Walking Technology with SORA Mode

Coordinated scissor-action movement delivers real lower-body stretching and decompression.Eight SORA Mode automatic programs activate the walking mechanism to move each leg in an alternating rhythm, physically stretching the lower back, glutes, hamstrings, and knees in a way that standard airbag compression alone cannot replicate.

Three Active Arm Rollers Per Side

Six dedicated rollers provide targeted forearm and wrist relief alongside air compression.Three precision massage rollers built into each armrest work with synchronized airbags to roll, compress, and relieve tension across the forearms and wrists, providing more complete arm coverage than single-roller or airbag-only systems.

50-Cell Full Body Air Compression

Extensive synchronized compression surrounds the upper and lower body.Fifty strategically positioned air cells deliver rhythmic pressure across the arms, shoulders, hips, and calves simultaneously, providing comprehensive full-body compression that supports circulation and enhances the dual-mechanism massage experience.

Self-Adaptive SL-Flex Track with Health Detection

Flexible spinal coverage and biometric sensing personalize every massage session.The self-adaptive SL-Flex Track reshapes as the chair reclines to maintain consistent roller contact from the neck through the thighs, while intelligent health detection measures heart rate, blood oxygen levels, and fatigue before each session to calibrate the massage to your body’s current condition.

With the OS-Trion Flex Duo massage chair
Walking technology and dual mechanism therapy

With the OS-Trion Flex Duo massage chair

From SORA Mode walking stretch and six total arm rollers to 50-cell compression and self-adaptive SL-Flex Track, the Trion Flex Duo delivers the most complete lower-body focused dual mechanism experience in the Osaki lineup.

SORA MODE

Walk your tension away SORA MODE

Eight SORA Mode programs activate the scissor-action walking mechanism that physically moves each leg in a natural walking rhythm, actively stretching the lower back, glutes, hamstrings, and knees through real dynamic motion.

ARM ROLLERS

All six rolling ARM ROLLERS

Three active arm rollers on each side deliver rolling therapeutic relief to the forearms and wrists in coordination with synchronized air compression, addressing arm tension that most massage chairs completely overlook.

FULL BODY COMPRESSION

50 cells working FULL BODY COMPRESSION

Fifty air cells, more than any other Osaki dual-mechanism model, deliver rhythmic compression across the arms, shoulders, hips, and calves simultaneously for exceptionally comprehensive full-body air coverage.

SL-FLEX TRACK

Bends as you recline SL-FLEX TRACK

The self-adaptive SL-Flex Track physically reshapes as the chair reclines to maintain consistent roller contact from the neck through the thighs at every angle and throughout every session.

Osaki OS-Trion Flex Duo 4D+3D Massage Chair

More Benefits Of

From SORA Mode walking stretch and six active arm rollers to 50-cell compression and self-adaptive SL-Flex Track, the Trion Flex Duo delivers the most complete lower-body focused dual mechanism experience in the Osaki lineup.

Walking Technology with SORA Mode

Coordinated leg movement delivers active lower-body stretching through eight specialized programs.The scissor-action mechanism physically moves each leg in an alternating walking rhythm, stretching the lower back, glutes, hamstrings, and knees through eight SORA Mode automatic programs for deeper flexibility and decompression.

Duo Mech 4D Plus 3D Mechanism

Two independent roller systems provide uninterrupted upper- and lower-body massage.The upper 4D and lower 3D mechanisms operate simultaneously, delivering continuous dual-area coverage across the back, lumbar region, glutes, and thighs without switching between roller systems or pausing the massage.

Three Active Arm Rollers Per Side

Six dedicated rollers provide complete forearm and wrist relief.Three precision massage rollers built into each armrest work alongside synchronized air compression to roll, press, and relieve tension across both forearms and wrists during every session.

50-Cell Full Body Air Compression

Extensive synchronized compression surrounds major upper- and lower-body muscle groups.Fifty strategically positioned air cells deliver rhythmic pressure across the arms, shoulders, hips, and calves, providing the highest air cell count among Osaki dual-mechanism models for comprehensive circulation support and tension relief.

Self-Adaptive SL-Flex Track

Dynamic track movement maintains consistent roller contact at every recline angle.The flexible SL-Flex Track physically reshapes as the chair reclines, following the body from the neck through the thighs to preserve accurate roller alignment and continuous therapeutic coverage throughout every program.

Intelligent Health Detection

Biometric readings calibrate each massage to your body’s current condition.The intelligent health system measures heart rate, blood oxygen levels, microcirculation, and fatigue before every session, then automatically adjusts massage intensity and style according to your immediate physical needs.

Heated Foot Rollers

Three heat levels and triple rollers provide soothing heel-to-forefoot relief.Three acupuncture-inspired rollers massage each foot from the heel to the ball while three adjustable heat levels add therapeutic warmth, helping relieve fatigue and support comprehensive lower-body recovery.

Lumbar and Calf Heating

Targeted warmth enhances stretching, circulation, and muscle relaxation.Integrated lumbar and calf heating helps loosen tight muscles, support circulation, and improve the comfort and therapeutic effectiveness of both the walking stretch and dual-mechanism massage systems.

Full-Body Body Scan

Automatic body mapping delivers accurately positioned pressure for every user.The full-body scan measures shape, size, and key alignment points before each session, then adjusts roller position and pressure to provide precise, consistent, and personalized massage coverage.

Voice Control

Hands-free commands keep every program and adjustment effortless.Intelligent voice control allows users to activate programs and manage supported chair functions without reaching for a remote or interrupting the relaxation experience.

Wireless Charging and USB Port

Keep essential devices powered throughout every massage session.A built-in wireless charging surface and USB port allow compatible smartphones and other devices to remain charged and conveniently accessible without separate adapters or additional cables.

2-Inch Wall Clearance

A full two-stage zero gravity recline requires minimal space behind the chair.Space-saving technology moves the chair forward as it reclines, allowing it to achieve a complete two-stage zero gravity position with only 2 inches of wall clearance for flexible placement in almost any room.

The Walking Technology

The Walking Technology

Dynamic lower-body motion that airbag compression simply cannot replicate.

Standard massage chairs treat the lower body primarily as a compression target, inflating and deflating airbags to squeeze and release. The Trion Flex Duo's Walking Technology takes a more dynamic approach by moving each leg in an alternating rhythm through a scissor-action mechanism. This creates a genuine stretch across the lower back, glutes, hamstrings, and knees, helping work through stiffness that passive compression alone cannot fully address. Eight SORA Mode programs incorporate this walking motion into targeted routines for lower-body recovery, making the Trion Flex Duo ideal for improving mobility while receiving comprehensive back coverage.

The Triple Arm Rollers

Six rolling units deliver targeted relief to the forearms and wrists.

Most massage chairs either overlook the arms or rely on basic airbag compression without any active rolling motion. The Trion Flex Duo features three independent arm rollers on each side, six in total, that massage the forearms and wrists in a coordinated movement supported by synchronized air compression. For anyone who spends long hours typing, driving, lifting, or performing repetitive daily tasks, the Triple Arm Roller system delivers focused upper-limb relief that goes far beyond what a single-roller or airbag-only arm system can provide.

The Triple Arm Rollers
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Designed for deep comfort and better rest, so you wake up refreshed and ready for the day

Dynamic leg movement provides active stretching beyond standard air compression.The walking technology uses a scissor-action mechanism that moves each leg in a coordinated alternating rhythm to replicate natural walking, actively stretching and decompressing the lower back, glutes, hamstrings, and knees through eight SORA Mode automatic programs.

Two independent roller systems massage the upper and lower body simultaneously.A dual-mechanism chair uses two roller assemblies at the same time instead of one mechanism travelling sequentially along the full track. In the Trion Flex Duo, the upper 4D system massages the neck, shoulders, and spine while the lower 3D mechanism simultaneously targets the glutes and hamstrings for continuous dual-area coverage.

A full two-stage zero gravity recline requires only 3.5 inches of wall clearance.Yes. Space-saving technology moves the Trion Flex Duo forward as it reclines, allowing it to reach a complete two-stage zero gravity position with just 3.5 inches of clearance for practical placement in apartments, bedrooms, home offices, and smaller living rooms.

Biometric health readings calibrate every massage to your current condition.Yes. The intelligent health detection system measures heart rate, blood oxygen levels, microcirculation, and fatigue before each session, then uses the collected data to automatically adjust massage intensity and style for a more personalized therapeutic experience.

Fifty synchronized air cells deliver comprehensive upper- and lower-body compression.The Trion Flex Duo includes 50 strategically positioned air cells that provide rhythmic compression across the arms, shoulders, hips, and calves simultaneously, giving it the highest air cell count among Osaki’s dual-mechanism massage chair models.