image tag: speakers, main color: cyan, image quantity: 4

3648x2432px

iphone, apple, iphone 6s, phone, smartphone, cellphone, fingerprint reader
4608x3456px

volume, controller, amplifier, music, bass, hifi, tweeter
6335x4223px

audio, speaker, astronomy, exploration, moon, space, planet
4000x6000px

music, studio, music studio, sound, audio, recording, equipment