Zoom in view of female speaker demonstrating features of new smart watch connectable with smartphone during presentation on stage against big LED screen
Zoom out view of middle aged man on wheelchair demonstrating new smartphone and speaking against huge LED screen during presentation on stage
Zoom out view of middle aged male speaker demonstrating brand new mobile phone and talking during presentation on stage against big LED screen
Mature man presenting new cellphone on stage with LED screen
Professional businessman showcasing new cellphone and conversing with engineer on stage
Zoom out of professional explaining presentation to diverse colleagues at office meeting
Pan around view of woman in glasses showing new cellphone and talking during presentation against LED display with video
Mature man demonstrating new cellphone against large LED screen
Middle aged bearded male speaker showing new mobile phone and talking against LED screen with video during presentation
Presenter standing on stage with a new contemporary smartphone at the presentation, and explaining to the audience the new technologies of a mobile phone in front of an LED screen with a 3D mock-up
friendly pediatrician doctor explain something to mother with newborn baby
Mature man presenting charts on LED screen during business conference