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Model: HR337 (also listed as Charles)
An Amazon-documented 4D chair with a 55-inch SL-track, 300-pound published capacity and a 4′9″–6′2″ stated fit range.
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QUICK SPECIFICATIONS
Source checked: Amazon-linked HealthRelife HR337 manual. Specifications may change by revision or seller bundle; match the model name and product label before purchasing.
DETAILED OVERVIEW
The HealthRelife HR337 is an Amazon-documented 4D chair with a 55-inch SL-track, automatic body scan, 15 automatic programs, nine documented techniques, 40 airbags, foot rollers, back and calf heat, stretching, and two zero-gravity positions.
Its current extracted specification states a 300-pound maximum and 189-pound chair weight. Placement dimensions conflict across extracted Amazon materials, and no independent manufacturer product page was located, so room planning requires direct confirmation from the live listing.
WHO IT SUITS
FEATURE ANALYSIS
The 4D mechanism adds depth and programmed speed variation while the 55-inch SL-track extends beneath the seat. The manual describes nine techniques including kneading, knocking, shiatsu, tapping, and combined patterns.
Forty airbags are described from the shoulders to the feet. Rotating foot heads and calf compression work the lower legs, with back and calf heat as separate features.
FIT AND ROOM PLANNING
A 4′9″–6′2″ range makes the model relevant to petite and average-height users. The current extracted specification lists 300 pounds; earlier listing imagery may differ, so the exact Amazon revision should be checked.
Do not use the conflicting extracted dimension table for placement. Obtain the current upright, reclined, and rear-clearance diagram from the seller before ordering, especially for bedrooms, apartments, or narrow routes.
Check the room-fit calculator →ADVANTAGES
LIMITATIONS
DELIVERY AND SETUP
Carton dimensions not published in extracted manual. The chair weight is 189 lb in current extracted specification, and the setup guidance is: Assembly required in current extracted specification. Measure every doorway, turn, stair, and landing; confirm whether delivery is curbside, threshold, room-of-choice, or white glove.
WARRANTY AND SUPPORT
The Amazon-linked manual states a 3-year guarantee but does not provide a parts, labor, structure, or in-home-service breakdown.
No independent manufacturer product page was located. Confirm support through the active Amazon seller and retain the exact listing and warranty language.
NOT RELIABLY VERIFIED
SIMILAR CHAIRS TO CONSIDER
A 3D alternative with a 330-pound maximum and clearer overall dimensions.
Compare verified details →MassaMAXA 3D, 300-pound chair with a published 1.98-inch rear gap.
Compare verified details →KyotaA premium 4D chair with manufacturer documentation and a 5′4″–6′7″ range.
Compare verified details →PRODUCT-SPECIFIC FAQ
4′9″–6′2″
300 lb in current extracted specification
Not published
Yes. Two positions are documented in the current Amazon-linked manual.
Shiatsu foot rollers and calf air compression
Back and calf heat
Assembly required in current extracted specification
55-inch SL-track. Yes. Automatic body scanning is documented.
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