Battery cap with 91 red LEDs at 650 nm, listed with FDA under a clearance written for a 22-LED comb.
$340
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Usability
Usability
The Therapy Hat is a battery cap lined with 91 LEDs at 650 nm red, with a 10-minute auto-off. No spectrometer reading exists, so light output is not scored; Kala states 3 to 5 mW/cm2. FDA lists it under its maker Shenzhen Kaiyan's registration against K230597, a 510(k) for a 22-LED comb held by Light Tree Ventures, which does not describe the cap, so it scores 2 on verification, though Kala's page shows an FDA Cleared badge. As a red-only LED cap with its peak published, it scores 3 on wavelength. No owner or tester has reviewed it hands-on, so its pools read Kala as a brand, a point lower. It is $339.99 on kalaredlight.com, sold as final sale.
- 91 LEDs at a published 650 nm
- Built-in battery, no cord to an outlet
- 10-minute auto-off
- USB-C charging
- 2-year warranty
- Listed under a 510(k) written for a 22-LED comb
- FDA Cleared badge on the page, with no clearance for the cap
- Red only, no near-infrared
- No independent output measurement
- Final sale, with no return
The Therapy Hat is a cap lined with 91 LEDs at 650 nm red, 7.1 oz, run from a built-in 3.7 V, 300 mAh battery that charges over USB-C, with a 10-minute auto-off. Kala states 3 to 5 mW/cm2, and a block on its page mentions near-infrared that the spec sheet does not list. Kala's warranty covers it for 2 years, and Kala sells it as final sale.
Additional information
Specification: Kala Therapy Hat
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