SOPHRAY Foldable Leg Warmer: Can This 235W Under Desk Heater Keep You Cozy in 2026?
The SOPHRAY leg warmer quietly heats your legs at a desk using carbon crystal film. It is a focused personal warmer, not a room heater.
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Key Specifications
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Our Verdict
This heater wraps around your legs under a desk. It uses carbon crystal film for gentle, silent warmth. The 48-inch panel covers most adults from foot to knee.
At 235W, it draws very little power. Your monthly electricity bill will barely change. This makes it a smart pick for people who sit at a desk all day.
It cannot heat a room. If you need whole-room warmth, this is not the right product. It focuses on one zone: your legs.
You get three heat levels and a 9-hour timer. A 43-inch blanket comes in the box. These extras add comfort without adding cost.
What We Like
- Carbon crystal film heats fast and does not dry out the air.
- The three-sided 48-inch panel wraps around your legs from multiple angles.
- At 235W, it costs very little to run all day at your desk.
- Folds down to 18 inches wide for easy storage when not in use.
- Comes with a 43-inch by 32-inch blanket to trap heat around your legs.
What Could Be Better
- Only 235W of power cannot heat a room or any space beyond direct leg contact.
- No thermostat means you must manually adjust heat levels yourself.
- No remote control forces you to reach the device every time you change a setting.
- At $69.99, the price is high for a heater covering only personal leg space.
- No oscillation locks warmth into one fixed zone with no ability to spread heat wider.
Standout Features
Full Specifications
Additional Info
| Assembly | No |
Frequently Asked Questions
Common questions about Foldable Leg Warmer With Soft Blanket, Under Desk Leg Foot Knee Heater 235W, Small Personal Space Heater, Overheat Safe Protection, Timer, Quiet, Easy Setup, for Home Office
Can this heater warm a whole room?
No. It runs at 235W and produces less than 800 BTU per hour. It warms the space directly around your legs only, not a room.
How big is it when open and when folded?
It opens to 48 inches long by 23 inches tall. When folded, it measures 18 inches wide by 23 inches tall for compact storage.
Does it make noise while running?
No. Carbon crystal heating has no fan and no moving parts. It runs completely silently and produces no light.
How much does it cost to run each day?
At 235W, it uses about 0.235 kWh per hour. Running 8 hours a day costs roughly 24 cents at average U.S. electricity prices.
What else comes in the box?
You get a 43-inch by 32-inch soft blanket to drape over the top, three support brackets to keep the heater upright, and a 79-inch extra-long power cord.
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