Happy businessman in black suit using mobile smart phone sit in desk at office building

business person office corporate business businessman businesswear mobile phone professional occupation formal businesswear portable information device business desk smart phone manager wireless technology letter - document technology working typing text messaging place of work modern indian ethnicity touch screen suit internet reading film - moving image keypad men young adult one person asia connection telephone looking communication equipment message hand people smiling human hand one young man only finger confidence indoors enjoyment males sitting adult holding only men 25-29 years 4k resolution human finger one man only human face happiness non us film location lifestyles touching horizontal adults only relaxation human body part