frequently asked questions
what actually happens when I activate SAYF?
Pull the pin to instantly trigger the130dB alarm and flashing light. If connected to your phone via Bluetooth, keeping it activated for 5+ seconds can also trigger your phone’s Emergency SOS features calling 000 and sending your GPS location to emergency contacts.
do I need an app or subscription?
No app. No monthly fees.SAYF connects to your phone via Bluetooth and works with your compatible phone’s existing Emergency SOS features.
what happens if I have no reception?
The alarm and flashing light still work without reception. SOS functionality relies on your phone and available network coverage.
how long does the battery last?
SAYF is USB-C rechargeable with up to 150 days standby time. When fully charged, the battery lasts:
- approx. 2hrs if the alarm is activated
- approx. 5hrs with the flashlight on
- approx. 10hrs with strobe mode.
It takes approx. 1hr to charge.
can I wear SAYF in the rain?
The SAYF device is water-resistant, so sweat and getting caught in the rain won’t stop your run. Just don’t submerge it in water.