Alarm management for school hours, working hours, factories, offices
Time management is simple and complete. Like god created
- Audible time alarm
- Voice alarm with Google TTS message
- Play online radio
- play mp3 files
- Public relations microphone button
- turn on / off the auto amplifier with Bluetooth device
The best of alarm wake up.
** Blutooth Relay Module
https://www.ebay.com/itm/282942776216
https://detail.tmall.com/item.htm?spm=a230r.1.14.75.209a1431ZQBT0x&id=586960180144&ns=1&abbucket=19