DAUERHAFT Anti Tracking Rear View Sunglasses,Anti-spy Mirror Glasses for Behind Vision Outdoor Cycling Beach Fashion Sunglasses,Multi Functional Glasses, for Sporting Activities and Leasure Purposes

✿【With a High-tech Coating】The inside of each end of the lens is coated with a high-tech coating that allows the wearer to see the behind view out of the corner of the eye without having to look back.
✿【Prevent Criminals】This spy glasses look like an ordinary pair of sun glasses. Can effectively prevent criminals from following.
✿【Wide Application】The design is fashion, so it is great for walking, biking, sunbathe in the beach and many other outdoor sports. This is both a stylish outdoor sunglasses and an anti-tracking glasses. A great novelty gift for your family or friends.
✿【Multi-functional】This product can also be used for other purposes. For example, when policeman are monitoring a criminal suspect, wearing this glasses can greatly increase the concealment of the monitor and reduce the possibility of being discovered by the criminal suspe
✿【Service Guarantee】If you are not satisfied with anything, please feel free to contact us and we will serve you immediately.