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D25 GPS Smart Watch
Screen 1.3inch IPS ,Pixel 240x240
OS Android4.4
Solution Spreadtrum SC8521E,1.2GHz Dual-core ARM CortexTM A7MP
GPS SC8521E,  L1,1575.42MHz C/A code
GPS Accuracy 5-30m
Wifi Accuracy 30-50m
LBS Accuracy 100m above
WIFI Wireless 802.11 b/g/n
Video Call By  APP or VOLTE
Thermometer 24 hours temperature detection,High temperature Alarm
Memory RAM: 512MB   ROM:4GB
2G Network GSM B2/3/5/8
3G Network WCDMA B1/8
4G Network 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 front
Waterproof level IP65
Battery Lithium battery 650mAH, 663032
Dimension 232*40*15.5mm
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.