Lens: 1 lens(discolor)
Ergonomic design
Removable temples
PC frame
Impact resistance is up to 12 times the normal resin
Anti-UV
20 times greater than ordinary glasses of flexibility
High transmittance&protect eyes

Specifications:

1.Glasses case
2.Glass
3.Lens cloth
4.Glasses bags
​5.Myopia Frame

Color change time：winter- 1 minute ,summer-40 seconds. Speed depends on sunlight  and UV intensity