FAQ：

1、Q：Does the product match the serial number on the package?

A：It is normal that S/N codes on Logitech products are not consistent with P/N codes and S/N codes and P/N codes on packages because products and packages need to be managed, controlled and traced respectively.

2、Q：Why does the mouse foot patch have scratches or warps?

A：The mouse will do cross calibration before the factory setting, and test whether it meets the quality standard, so the foot patch will inevitably have scratches, hot weather leads to the foot pad glue melting after the foot pad up, just gently press can be used normally, belongs to the normal situation.