Screen:1.4inch  IPS Touch screen ,Pixel 240x240

OS:Android4.4

Solution::Spreadtrum SC8521E，1.2GHz Dual-core ARM CortexTM A7MP

GPS:SC8521E,  L1,1575.42MHz C/A code, 22CH

GPS Accuracy:5-15m

Wifi Accuracy:30-50m

LBS Accuracy:100m above

WIFI:Wireless 802.11 b/g/n

Video Call:By  APP

Bluetooth:4.2

Memory:RAM:2GB;   ROM:4G

Location:GPS，AGPS，LBS，WIFI

2G Network:GSM B2/3/5/8

3G Network:WCDMA B1/2/5/8

4G Network:FDD-LTE: B1 B2 B3 B4 B5 B7 B8 B12(17) B20 B28A (Or B1 B3 B5 B7 B8 B38 B39 B40 B41)        

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 (2.0MP in option)

Waterproof level:IP67

Battery:Lithium battery 650mAH, 663032

Dimension:232*41.5*16.8mm

Accessories:USB Charge cable (Pogo pin)  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.