How to identify the authenticity of Microsoft mouse

Microsoft keyboard and mouse have always been positioned as high-end products in the market, with remarkable performance and good quality assurance, but the price is not cheap. In order to help you better distinguish between true and false, I will tell you a little rule to prevent you from being cheated by JS.

PartNo. X809742-002 Piping Instrument Diagram 91659-576-0013021-00637

6 1 3 2 4 5

Sequence number composition rule: 1+0+2+3(0 is redundant and necessary).

4 is the year of production.

5 is the production month.

Some models may use 6 (five digits) instead of 1.

Generally speaking, part 3 is genuine if it matches the last 6 digits of the S/N of the packaging box, otherwise it is problematic. (So is the keyboard)

At present, Microsoft mouse and keyboard are divided into Lianqiang (formerly laser computer) and Xunyi, which are responsible for different products. Microsoft China's query website is very general, which can make you dizzy. It's convenient to call 800, but 400 doesn't seem to be available.