The 660nm vs 940nm red light therapy choice is visible red versus invisible near-infrared: the two 660nm-side listings pair 660nm red with 850nm infrared, while the 940nm-side listing is a 940nm NIR face mask. Choose the 660nm side for a desk lamp or wearable pad for the body; choose the 940nm side for a hands-free face mask. Listings were collected 20 October 2026.
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Quick picks
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1
Red Light Relief Lamp for Face, USB-Powered Chill Score 9.5/10Check price on AmazonUSB-powered lamp, 18 LEDs at 660nm and 850nm, adjustable clip, 12-month warranty.
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2
Red Light Therapy Mask for Face, 940nm NIR Chill Score 9.5/10Check price on Amazon312-LED face mask at 940nm NIR, 5 modes, 10-min timer, cordless rechargeable.
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3
Cholas Red Light Therapy for Body Chill Score 9.5/10Check price on Amazon104-LED wearable pad at 660nm and 850nm, 3 modes, 5 brightness, 10-90 min timer.
USB-powered lamp, 18 LEDs at 660nm and 850nm, adjustable clip, 12-month warranty.
Pros & ConsViewHide
Pros
- 660nm and 850nm stated
- 12-month warranty stated
- Adjustable angle and clip
- 10, 20, 30 minute auto-off
Cons
- 18 vs 36 LED count contradiction
- Corded vs USB power contradiction
- Not water resistant stated
- 5 watts only
312-LED face mask at 940nm NIR, 5 modes, 10-min timer, cordless rechargeable.
Pros & ConsViewHide
Pros
- 312 LEDs stated
- 940nm NIR stated
- Cordless and rechargeable
- 5 modes with 10-min timer
Cons
- No warranty term stated
- 1.43 lb for a face mask
- Face only, not body
- Recharge battery stated
104-LED wearable pad at 660nm and 850nm, 3 modes, 5 brightness, 10-90 min timer.
Pros & ConsViewHide
Pros
- 104 LEDs stated
- 3 modes with 40Hz pulsing
- 5 brightness levels
- 10 to 90 minute timer
Cons
- No warranty term stated
- Neck and shoulder area only
- 1.63 lb wearable
- One-button control only
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660nm vs 940nm red light therapy at a glance
The 660nm side: the U4GLORY lamp states 18 LEDs with 660nm visible red plus 850nm infrared, USB-powered with an adjustable clip and angle, 15 to 30 minutes a day at a stated 12 in distance. The Cholas pad states 104 LEDs with 660nm plus 850nm, a wearable design for neck, shoulders and upper back, with 3 modes and 5 brightness levels and a 10 to 90 minute timer. The 940nm side: the Pormira mask states 312 LEDs at 940nm NIR, a full-face ergonomic design, 5 modes and a 10-minute timer, cordless and rechargeable.
What separates the two sides
Wavelength: the 660nm side pairs visible red (660nm) with near-infrared (850nm) on both listings; the 940nm side lists 940nm NIR only. Device form: lamp and wearable pad on the 660nm side, full-face mask on the 940nm side. LED count: 18, 104 and 312 respectively. Session guidance: 15 to 30 minutes daily on the U4GLORY, 10 to 90 minutes 3 to 5 times a week on the Cholas, 10 minutes on the Pormira. Power: USB-powered lamp, one-button wearable pad, and cordless rechargeable mask.
Gear for each side
How we scored them
| Product | Chill Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| U4GLORY Relief Lamp | 9.5 | 26 | 20 | 21 | 0 | 3 |
| Pormira Face Mask | 9.5 | 29 | 21 | 21 | 0 | 0 |
| Cholas Wearable Pad | 9.5 | 28 | 21 | 21 | 0 | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
Check Your Space First
- The U4GLORY lamp is a desktop unit at 4.3 by 2.9 by 19.7 in and 8 oz, USB-powered.
- The Cholas pad measures 17 by 17 by 1 in at 1.63 lb; plan lap or chair space for the wearable.
- The Pormira mask is 12.13 by 9.02 by 1.34 in at 1.43 lb, cordless and rechargeable.
- The U4GLORY is stated for indoor use; the Pormira needs charging between sessions.
Common questions
Which side is visible red?
The 660nm side: both listings state 660nm visible red paired with 850nm infrared. The 940nm listing is stated as NIR.
Which has the most LEDs?
The Pormira at a stated 312 LEDs. The Cholas states 104; the U4GLORY states 18.
Which state a warranty?
The U4GLORY states a 12-month warranty with a 90-day money-back guarantee. The other two state no warranty term.
Which are wearable?
The Cholas pad for neck, shoulders and upper back, and the Pormira full-face mask. The U4GLORY is a desktop lamp.
Which need a timer?
The U4GLORY states 10, 20 and 30 minute auto-off; the Cholas states 10 to 90 minutes; the Pormira states a 10-minute timer.
Related: the seven color LED mask vs red light mask and quad wavelength vs dual wavelength red light comparisons.
Back to all red light therapy reviews.
