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

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