Description:
1.It is recommended to adjust to a reasonable tightness during use (you can slowly adjust the tightness according to the experience during use) to lean against the sofa or chair for better fit, more uniform force, better effect and better comfort!
2.It is recommended to use 1-2 times a day for 10-20 minutes at a time.Remember to rest with your eyes closed for 3-5 minutes after use to make your eyes more comfortable.
Four working modes:
1.Eye protection mode
2.Quiet mode
3. Strong mode
4. Refreshing mode
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