Specification: <br> <br> Frame material:pc<br> <br> Rechargeable way:USB rechargeable <br> <br> Battery style:50mA(3v)<br> <br> Width of the forehead frame :148mm/ 5.82" (approx.) <br> <br> Lens Height:44mm/ 1.73" (approx.) <br> <br> Lens Width : 66mm/ 2.59" (approx.) <br> <br> Leg Length :145mm/ 5.70" (approx.) <br> <br> Bridge :17mm/ 0.66" (approx.) <br> <br> Weight:40.0g<br> <br> Note: <br> <br> Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon.<br> <br> Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!