C648 One Should Not Judge a Book by Its Cover

"Oh? From the earphones?" Everyone was curious and quickly moved closer to observe.

Hyman was familiar with the electronic products that young people liked to use. After observing for a while, he said with certainty, "You're right. This is the Cellosilk on the earphones."

"Really? But can this thing really be used to kill people?" Some people still maintained their doubts