African american man in glasses holding smartphone and have online video call while his colleagues working in modern office

using computer digital tablet student computer men businessman technology hipster culture businesswear using phone modern smart phone headphones voip office employee video call business working connection classroom african american workplace wireless new business colleague mobile app talking video social media university waving - gesture discussion people internet coworker smiling manager 4k indoors leisure activity telephone communication taking a break camera males casual clothing caucasian success enjoyment ethnicity russia adult happiness lifestyles relaxation photography