 In addition, Dai Wenhang is also the old man's electronic product technology consultant. About the problem of mobile phones and computers, the old people will think of him at the first time. This day, Dai Wenhang gave his watch to 90-year-old Grandpa Zhou. Open the computer for you. No, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no, no.