4K Video close up man hand using pen on tablet with black background

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