Get ready to block out blue light from electronics to improve your sleep.

These unisex sunglasses feature a Blue Light Blocker technology and are lightweight, making them comfortable to wear all day long.

One is The Viper model and the other model cannot is similar but I do not know its name.

The measurements are the same: temple length is 125mm, and the lens height is 40mm. With a frame width of 143mm and a nose bridge of 15mm, these sunglasses are suitable for adults.