Please do not disassemble the product without authorization, please do not place it in the water, and avoid falling from a height; Please do not place this product in high or low temperature, and do not place under the blazing sun or near a heat source; Only suit for 3D TV, not for other USES, otherwise may damage eyesight; If your wearing time is too long, may suffer from headaches, fatigue, or other discomfort, then please immediately stop watching and take a break; It's inappropriate for pregnant women, people with heart problems or weaks to wear this glass; Children must be under the guardianship of an adult to use glasses.