Zoom out view of middle aged male speaker demonstrating brand new mobile phone and talking during presentation on stage against big LED screen
Zoom in view of female speaker demonstrating features of new smart watch connectable with smartphone during presentation on stage against big LED screen
Middle aged bearded male speaker showing new mobile phone and talking against LED screen with video during presentation
Middle-aged businessman holding teacup and speaking to mixed-aged colleagues while giving a briefing in the office
Aged freelancer speaking on smartphone
Full body middle aged speaker holding hand in pocket and talking while standing on stage against LED screen with business charts
Speaker is speaking on the stage over the presentation screen in the education seminar
Middle aged businesswoman in glasses speaking with coworkers while having team meeting in office
View through glass office wall of middle aged businesswoman speaking on mobile phone while sitting at desk
Multiethnic business people listen, clap to happy middle aged male team leader speaking at modern loft office.
Male doctor showing something on digital tablet and speaking with middle aged female patient during medical consultation in clinic
Middle aged female engineer with tablet speaking with male coworkers while standing near generator on wind power plant