| 摘要 |
A device, such as a computer pointing device or a keyboard, that provides electromagnetic radiation therapy to help prevent or promote healing for repetitive stress injury. If the keyboard is used, one or more EMR-emitting devices, such as a plurality of LEDs, may be housed in the keyboard body and configured to emit EMR such as visible and/or infrared light within preferred wavelength ranges, to provide therapeutic affects for the wrist and hand of a user.
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