Set timer for 17 min. Start the online timer set for 17 minutes. Sound alarm notification is optional.
How to use 17 minutes timer
The timer will tell you when your 17 minutes has run out. It will keep counting upwards when time has run out.
Sound notification (alarm) is optional. You can keep the timer running in the background if you for example open a new tab. If you have sound notification the timer will tell you when time is up.