close-up man's hands holding phone with isolate screen by solar panel on the glass

39aph39 adult alternative application businessman carrying charging close-up color concept connection cyberspace development device eco ecology electric electricity energy engineer engineering environmental expertise focus futuristic gadgets generation generator glass hands holding horizontal industrial innovation isolate laptop male man mid mobile network one panel person phone photovoltaic portable power professional renewable s safety screen selective smartphone smiling solar station sunlight sustainable technician telephone work working