OPPO enterprises have always focused on "internal" and have achieved "user orientation" to the extreme. Black Cat Sheriff is the memory of many people's childhood. In order to protect everyone's peace, the witty and brave Black Cat Sheriff has fulfilled his obligations dutifully, just like OPPO enterprises, in order to better serve the public, he has always focused on the inside. Comic style is mainly used in the design, which combines two-dimensional and 3C products to break through the dimensional wall and integrate the sense of security brought by the black cat sheriff into daily life.