It's a fake Tamagotchi Plus Color!
Here are other reasons it's fake:
1-It says "V6". The real Tamagotchi V6 is the Music Star.
2-You can see the Corner Shop 3 clock tower on the top of the packaging.
3-No tamagotchi has ever come with a cell phone charm.
4-It has Chinese and the phrase "Watch me grow day by day!" on it.
5-On the lanyard,Mametchi's eyes are colored wrong.
6-It comes with a lanyard. The only Tamagotchis to come with a lanyard were the Australian V4 and the Asian Tamagotchi Celebrity Familitchi. (V5.5)