Description

2015.5.9.Updated Ver 2.4: bug fixed.
The display shows current time ,day of the week,day, battery level indicator.
If Bluetooth connection-loss from smart phone, then display "Bluetooth DISCONNECTED" on the screen and vibrates. 

Three screenshots show:
1.battery100%
2.battery 70% and Bluetooth disconnected
3.battery 70% and battery charging

You can buy other version from website link.(Delete Bluetooth disconnected vibration version, Added function to vibrate every hour version）