Features:
1. GPS, Wi-Fi, LBS multi-mode positioning
The device supports both GPS and LBS dual positioning, GPS ismainly for outdoor positioning and LBS is manly for indoor position.
2. Geofence
After the geofence is setup, you will get alert notice when the kids are out of the range of the setup circle, which willsecure the kids’ safety and keep you a peace of mind.
3. SOS call
With SOS button and two way voice function, the kids or seniors can press the SOS button for help and talk with the host when they are in emergency.
4. Historical route
The device will keep a record of the historical route for three months, user can check the records on smartphone.
5. Long standby time
The device will enter into dormancy stage automatically when no movement is detected. The standby time for the gadget is 2-3 days.
Structure parts
Colors: pink, blue, green
Size: 54 x 32 x 13.5mm
Buttons: power button and SOS button
GPS antenna: high sensitive ceramic antenna
GSM antenna: laser etching LDS antenna
Display screen: 0.66 inch OLED
0.66-inch OLED: 400mAh
SIM card slot: one slot
Charging: magnetic suction charging
Hardware parts:
Chipset: MTK MT6261
GPS chip: MTK3337
GPRS: class 12
GPS signal: L1, 1575.42MHz C/A code
GPS channels: 22 channels
GPS chip sensitivity: tracking sensitivity: -165dBm, acquisition sensitivity: -148dBm
GPS accuracy: 5-15m
LBS accuracy: 100-1000m
Minimum standby current: <0.5mA
Average standby current: <2.5mA
Deep dormancy current: <5uA
Average working currency: <55mA
Working temperature: -20 to 70°C
Working humidity: 5 to 95% 
GPS antenna: built-in high sensitivity ceramic antenna
GSM antenna: four frequency PIFA antenna
G-sensor: supported
Speaker: AAC 1609 speaker
Software parts:
Supported system: supports Android 2.3 or above, iOS 5.0 or above
Languages: Chinese/English
GSM + GPRS + GPS: GPS + Wi-Fi + LBS three mode
AGPS: cool start 26 seconds positioning
Power manage: ultra-low power consumption management, intelligent dormancy
Geofence: alarm when out of setup range