4K Video close up man hand in suit using tablet with black background

digital tablet device screen using digital tablet touch screen technology mobile app smart phone mobile phone portable information device computer human hand typing finger digital viewfinder portability connection human finger wireless technology hand computer monitor social media internet computer network film - moving image telephone 4k resolution business reading gesturing communication holding close-up equipment message sharing looking people touching horizontal non us film location watching well-dressed males human body part asian and indian ethnicities lifestyles thailand