Screen 1.4inch  IPS  screen ,Pixel 240x240
Touch panel Full lamination, 2.5D
OS RTOS
Solution ASR3603S,832MHz, One-core ARM Cortex-R5 processor
GPS supported
4G 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 "Option 1: B1,2,3,5,7,8,20 （LT31E)
Option 2: B1,2,4,5,7,12,13,17 (LT31A)"
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 
Games 7 games
Waterproof level IP67
Battery Lithium battery 680mAH, 663032
Dimension 48.8x41.4x16mm
Accessories Magnetic Charge cable (Pogo pin),screen driver, SIM card tools 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.