Šťastný, atraktivní učitel ukazuje smartphone s prázdnou obrazovkou, zatímco stojí v blízkosti tabule - Stock fotografie a obrázky

Cheerful teacher in eyeglasses holding smartphone with blank screen near chalkboard

Happy teacher in eyeglasses pointing at smartphone with blank screen near chalkboard

Happy, beautiful teacher pointing at smartphone with blank screen while standing near chalkboard

Portrait of european businesswoman wearing glasses smiling and holding smartphone in the office isolated over gray background

Skeptical teacher showing forbidding gesture while holding smartphone with blank screen near chalkboard

Happy girl in eyeglasses posing with credit card and mobile phone isolated over blue background

Optimistic woman wearing white official style shirt pointing at empty display of mobile phone isolated over orange background.

Photo of business girl hold phone screen empty space show okey wear glasses white shirt isolated grey color background.

Partial view of teleworker showing smartphone with blank screen, blurred background

Cropped view of smiling woman showing thumb up and smartphone with blank screen, isolated on blue

Cropped view of smiling businesswoman holding smartphone with blank screen on blurred background

Beautiful smiling woman with tied hands with metal chain holding smartphone on yellow background

Panoramic crop of happy girl pointing with finger at smartphone with blank screen isolated on blue

Cropped view of businesswoman with curly hair holding folder and recording voice message on smartphone in office

Young woman with pink hair presenting digital tablet with blank screen on blue background