Osaki 4D+3D Manhattan Duo (Free 2Yrs Ext. Warranty)
Common Questions & Description
What is Curbside Delivery?
This is our standard delivery method and is included when you purchase any massage chair from us. By curbside delivery, massage chairs will arrive unassembled in its original factory boxes. The trucking company will deliver the items to your driveway or entryway, and you will be responsible for entering it into your residence or business. Since massage chairs are heavy, you may require assistance from a friend or a family member.
What is White Glove Delivery?
By white glove delivery, massage chairs will be hand-delivered into your destination and assembled together. White glove delivery can add about 1-2 weeks to the standard lead time of delivery. Choose the shipping method as White Glove Delivery if you want the service.
Can I request a price match?
Yes. Estockchair offers price matching on eligible, brand-new massage chairs sold by authorized dealers. The competing product must be identical, available for purchase, and include its original manufacturer packaging and warranty. Price match requests must be submitted before placing an order.
What is your return policy?
Estockchair offers a 30-day return policy on eligible massage chairs. Returned products must be in their original condition and packaging.
Customers are responsible for applicable return shipping charges and a 20% restocking fee. Certain custom-built or specially manufactured products may not qualify for returns.
Do massage chairs come with a warranty?
Yes. Massage chairs include manufacturer warranties. Warranty coverage and duration vary by brand and model.
Some products may also include extended warranty coverage, as indicated on their product pages.
Ai TECHNOLOGY

The Osaki Manhattan Duo utilizes a built-in health sensor to gather data on your tension and stress, creating a customized massage program tailored to your needs.
4D + 3D DUAL MECHANISM TECHNOLOGY

The Osaki Manhattan Duo uses dual mechanisms to target different body areas. The 4D system covers the back, while the 3D air system provides a consistent massage to the glutes and hamstrings.
Smart Body Scan System

The Osaki Manhattan Duo features a smart body scan that adapts to your unique contours and dimensions, delivering a personalized massage just for you.
Intelligent AI Health Monitor

The Osaki Manhattan Duo features an advanced AI health sensor. When users hold the sensor on the left armrest, it detects metrics like heart rate, blood oxygen levels, microcirculation, HRV, and fatigue index. This AI delivers a personalized massage tailored to the user's body condition.
Intelligent Voice Control

The Osaki Manhattan Duo is designed with intelligent voice control function, allowing users to operate the chair hands-free. Just begin a massage session by simply waking the chair with a command mentioned in the user manual.
Zero Gravity Reclining Space Saving Technology

Inspired by NASA, the Osaki Manhattan Duo provides Zero Gravity reclining. With Osaki’s Space Saving Technology, the user can place the massage chair 5.9 inches away from the wall and still achieve a complete recline.
SL-track Track System

The Osaki Manhattan Duo is designed with SL which has a range that starts from the neck through the glutes to the top of the hamstrings. It delivers an incredibly consistent massage.
Quiet Massage Technology

Equipped with the latest noise reduction technology, it provides a near-silent environment, enhancing the massage experience with complete tranquility and no distractions.
Heating Therapy

Utilizing carbon fiber, the Osaki Manhattan Duo offers targeted heating therapy to the lumbar, seat, and calf areas. This will enhance the massage experience, by help easing any muscle tension in those areas.
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