| Function: | Relievevisual Fatigue, Improve Sleep |
|---|---|
| Material: | ABS |
| Principle: | Pressure |
| Power: | Electric |
| Power Supply: | Rechargeable |
| USB: | With USB |
| Samples: |
White, Black, Pressure Wireless, Heated Air
|
|---|
| Customization: |
|---|
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