a smartphone in live telecast live feed video conference function mode powered by a portable battery bank and a microphone in the

audio backdrop background bank banks batteries battery bus cable cables call calls charge charger chargers charging chat communicate communication communications conference connect connected connection continuous device devices emcee event feed feeding function functions hospital hospitals ion lithium live long microphone mode modern modes phone phones portable power powered program programs see seeing serial smart smartphone smartphones table tables tech technologies technology telecast telecasting universal usb video visual ward wards wood wooden