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

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