a man's hand holds a smartphone with a white screen. hand on white background. close-up

39aph39 advertisement advertising app application arm background blank brand business cellphone close-up communication device diagram digital display document drawing electronic empty eye face finger font gadget hand hold holding holds internet isolated limb line male man media message mobile mockup modern multimedia nose online organ people person phone portable presentation s screen showing skin smart smartphone technology teenager telephone template text touch touchscreen use white wireless writing young