Ключевые слова: amplifier, audio, background, black, blue, book, box, bright, button, cellphone, communication, computer, concept, connection, control, copy space, dance, design, device, digital, display, electronic, entertainment, equipment, gadget, home, internet, listen, loud, mobile, modern, music, phone, pink, portable, power, screen, smart, smartphone, sound, speaker, stand, stereo, studio, technology, telephone, together, tooth, white, wireless,