LED Technology  

Red LED (630nm ~ 650nm wavelength)

Combi LED (700nm ~ 800nm wavelength)

IR LED (800nm ~ 900nm wavelength)

Specification 

1. Reasonable price, excellent performance

2. Easy to watch TV, look at a phone or do housework with your eyes open

3. Easy-to-clean eye-cover (removable, attachable)

4. Light-weight and comfortable to wear

5. Acquired photobiological safety certification (eye protection against LED light)