10 min COUNTDOWN TIMER ( v 619 ) ⏰ with sound effects 4k

10 minutes COUNTDOWN with sound ( + tick tock - alarm)
optimized for smartphone

BG Music Original: Navajo Night von Audionautix ist unter der Lizenz Creative Commons Attribution license (creativecommons.org/licenses/by/4.0/) lizenziert.
Interpret: audionautix.com/