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

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