Ключевые слова: audio, background, black, cable, closeup, communication, connect, connection, connector, cord, design, device, digital, electrical, electronic, entertainment, equipment, headphone, jack, line, macro, media, metal, mini, mobility, modern, music, nobody, object, phone, pin, player, plug, portable, shape, sign, signal, small, sound, stereo, studio, symbol, technology, wire,