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

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