colorful contrasting radio waves, radar or sonar, hypnotic effect, seamless loop. . pulsating wide colorful rings.

abstract animated animation background black blinking blue bouncing bright center circle circles circular clean color concentric contrast creative curve cycle effect element geometric geometry graphic hypnosis hypnotic light lines loop loops minimal modern motion move nightclub nightlife pattern pulsating radar radial radio rendering ring ripple rise round seamless search shape signal simple smooth sound style surface swirl technology wave