Screen 1.38 inch  IPS screen ,Pixel 240x240
Touch panel Full lamination, 2.5D
Plastic housing UV painting
OS RTOS
Solution ASR3603S,832MHz, One-core ARM Cortex-R5 processor
GPS supported
GPS Accuracy 5-15m
Wifi Accuracy 30-50m
LBS Accuracy 100m above
WIFI Wireless 802.11 b/g/n 
Video Call By  APP or VOLTE
Memory 192MB RAM+128MB ROM
Location GPS，AGPS，LBS，WIFI
2G Network GSM B2/3/5/8
3G Network WCDMA B1/2/5/8
4G Network LTE B1,2,3,5,7,8,20
SIM card Nano SIM card
Calling 3 SOS + 15 phone number
SOS Support
G-sensor Support  (in three axis)
Remote monitoring Support
Camera 0.3MP pixels 
Waterproof level IP67
Battery Lithium battery 670mAH, 642731
Dimension 258x50.2x16mm
Accessories Magnetic USB cable, SIM card picker and user manual
Other features Electronic fence (GEO),History tracking,Alarm clock,Find watch , phone book, working mode, Remote shutdown watch, support APP for Android and IOS smartphone.