Product: Bicycle Goggles Rearview Mirror Brand: LILIOO Weight: 12g Product size: 92mm*30mm*41mm Features: 1. Wide field of view, which can take into account the front and rear vision at the same time. 2. Lightweight design, only 12g, ultra-light design makes you feel no extra burden during long-distance riding. 3. Rotation angle: 300 degrees up and down, 360 degrees left and right, you can adjust it as you like. 4. Compatible with most goggles, it can also be installed on the helmet, the goggle legs are suitable for the range: the height is not less than 7mm, the width is not less than 3mm, and the internal silicone booster pad can be removed to provide more space.