Trion Flex Duo combines cutting-edge innovation with personalized comfort. Featuring independently adjustable leg rests, it delivers targeted foot massages tailored to each leg’s position and movement. With intelligent health detection and built-in voice command, Trion Flex Duo adapts to your body’s needs and responds instantly to your voice—offering a truly smart, hands-free relaxation experience.
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Osaki Trion Flex Duo - Duo Mech 4D+3D with SL Flex Track.
The Osaki OS-Trion Flex Duo 4D+3D Massage Chair pairs a Duo Mech 4D+3D mechanism with an SL Flex Track, walking technology and three arm rollers, plus intelligent health detection, body scan technology and smart voice control.

Technology & Design
Intelligent Health Detection (AI Series)
The Trion Flex Duo features an integrated health monitor that tracks heart rate, oxygen levels, microcirculation, and fatigue. Its AI technology uses this data to deliver a personalized massage tailored to your body’s needs.
- Heart Rate
- Blood Oxygen
- Microcirculation
- Heart Rate Variability
- Fatigue Index
Intelligent Voice Command
The Trion Flex Duo features built-in voice control for a truly hands-free experience. Just say "Hey Alice" followed by a preset command, and experience an uninterrupted hands-free massage.
Say "Hey, Alice" and the chair replies "I am here".
Relaxing 3 Arm Rollers
Each side of the chair features 3 active arm rollers that provide a soothing massage to relieve tension and boost blood circulation. This rolling action works in harmony with the air compression massage, enhancing both your relaxation and recovery experience.
4D Massage Mechanism
The Trion Flex Duo is a 4D massage chair that replicates the feel of a real human masseuse using advanced 3D technology that moves vertically, horizontally, and in-depth for intensity, while the fourth dimension adds variations in speed and rhythm.
Body Scan Technology
The full-body scan begins every time the Trion Flex Duo is powered on. This body scan detects your body’s unique shape and size first, then moving the massage rollers adjust to your proportions.
Massage Modes
12 Auto Massage Modes
TRAIN
Yoga WarriorDeep TissuePower Up
BOOST
Performance MaxSports StaminaMuscle Melt
TARGET
Neck & ShoulderShape & ToneBack Strength
RECOVER
Thai StretchSports RecoveryAcupressure Balance
6 Manual Massage Modes
KneadingSyncVibrationTappingShiatsuAcupressure
Comfort & Feet
Heated Foot Rollers
These acupuncture foot rollers mimic hand movements to target pressure points and relieve tension. The 3-roller systems massage from heel to ball of the foot, with the middle rollers offering three levels of soothing heat.
Automatic Foot Extension
The Trion Flex Duo holds automatic foot extension, designed with any user in mind. The footrest can cater to different heights and body types, extending up to 6” for maximum comfort.
Controls & Connectivity
Convenient Touchscreen Remote
The Trion Flex Duo’s remote controller provides quick and convenient access to massage programs and settings.
USB Charging Port
Stay connected and powered up with the built-in USB charging port, allowing you to conveniently charge your devices while you relax in the massage chair.
Phone Charging Surface
The Trion Flex Duo holds a convenient built-in charging surface, giving you another way to keep your devices charged wireless and fuss-free.
Quality Bluetooth Speakers
Bluetooth speakers are integrated into the Trion Flex Duo to deliver immersive sound, enhancing relaxation with any of your favorite audio.
Quick Shortcut Panels
The Trion Flex Duo’s Side Control Panel contains quick settings such as heating, volume adjustments, zero gravity positions, and backrest and legrest adjustments.
Size & Specifications
Minimum Doorway
Assembled: 33"
Disassembled: 30"
Measuring Guide
- Calculate the doorway width by subtracting 2 inches from the smallest inner width of the door frame. (1 inch from each side)
- Please use a standard measuring tape to measure the doorway.
- If the door cannot be fully opened, open it as much as possible and measure the width from the edge of the door hinge.
- If there is a rounded curve on the wall, calculate the inner width based on the most protruding point of the wall.
Dimensions
Shoulder width: 22"
Seat width: 21"
Width: 33"
Standing height: 47.5"
Reclined height: 34"
Standing length: 71"
Reclined length: 79"
Specification
| Product Name | Trion Flex Duo | ||
|---|---|---|---|
| Power Supply | 110 - 120V | ||
| Rate Frequency | 50 / 60Hz | ||
| Chair Dimensions (W x L x H) |
Upright 33.0" x 71.0" x 47.5" |
Reclined 33.0" x 79" x 34" |
|
| Chair Weight | 359.4 lb | ||
| Width |
Shoulder 22" |
Seat 21" |
|
| Minimum Door Width | 30.0" | ||
| User Maximum Weight | 270 lb | ||
| Package Dimensions (W x L x H) |
Box 1 33.5" x 65.0" x 34.5" |
Box 2 15.4" x 49.6" x 28" |
Box 3 23.6" x 24.8" x 25.2" |
| Package Weight |
Box 1 269 lb |
Box 2 65 lb |
Box 3 88.2 lb |
All Features
- Walking Technology
- Duo Mech 4D+3D Mechanism
- SL Flex Track
- Intelligent Health Detection
- 3 Arm Rollers
- Body Scan Technology
- Smart Voice Control
- Lumbar & Calves Heat Therapy
- 50 Air Cell Full Body Compression
- 12 Auto Programs & 6 Massage Styles
- Heated Foot Rollers
- Automatic Extendable Footrest
Details
- Brand: Osaki
- Colors: Black, Brown, Taupe
- Warranty: Official 5 Year (3 Years Full Service & Additional 2 Years Parts)
Frequently Asked Questions
How does the Trion Flex Duo’s health detection work?
The chair features an advanced built-in Health Detection system. By gripping the specialized sensors, the chair measures your muscle tension, heart rate, and physical fatigue levels to create personalized therapy sessions.
What is the Flex Duo Track?
The chair features a state-of-the-art flexible track system that bends dynamically with your spine’s natural curve, combined with a 4D+3D dual roller mechanism to maintain consistent pressure from neck to glutes.
Does the Trion Flex Duo have voice control?
Yes. The Trion Flex Duo features built-in voice control for a truly hands-free experience. Just say "Hey Alice" followed by a preset command.
How far does the footrest extend?
The Trion Flex Duo holds automatic foot extension. The footrest can cater to different heights and body types, extending up to 6” for maximum comfort.
What is the minimum door width for the Trion Flex Duo?
The minimum door width is 30.0" (disassembled; 33" assembled). Calculate your doorway width by subtracting 2 inches from the smallest inner width of the door frame (1 inch from each side).
What does the warranty cover?
Official 5 Year (3 Years Full Service & Additional 2 Years Parts).