C372 What am i wrong?

What, am I wrong?

Mo Yuan quickly took out the thing on his waist. It was a black colored thing that looked like a bp machine. Then, he randomly pressed a button and heard a sound coming from inside.

"I say, what are you doing? You can't do anything small. "Do I dare to let you do something after this?" The sound was very loud. It caused Mo Yuan to immediately be on the verge of collapse