Screen Round 1.28inch  IPS screen ,Pixel 240x240
Touch panel Full lamination
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 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 500mAH 602729
Dimension 49.5×46×16.5mm
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.