Description:
100% New Brand and Quality Service.
We have enough inventory and look forward to your order. Your satisfaction is our lifelong pursuit.

Features:
1. This is an anti-blue-light glasses plus test card set. There are two products: card and lamp.
2. Anti-Blu-ray card can be reused
3. The blue and purple light will automatically disappear after one minute
4. The small lamp is very durable and generally does not need to change the battery
5. One card with a small lamp
6. The small lights have red, yellow, blue and green colors randomly sent

Specification：
Material: Metal PVC
Packing: opp bag
Size: 25*49mm
Color: Random colors

Note:
1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.
2.Please allow 2-3% error due to manual measurement.Please make sure you don’t mind before you mid.