World smallest GPS tracking device with WiFi, location, no more worries in dead end

Model Number: A9-014 Brand Name: i365-Tech Key Specifications/Special Features: Features:1. GPS + LBS + Wi-Fi positioningDevice supports GPS, Wi-Fi and LBS positioning, GPS is mainly for outdoor positioning, Wi-Fi and LBS manly for indoor position2. Geofence:After the geofence is setup, you will get alert notice when the kids are out of the range of the setup circle, which will secure the kid's safety and keep you peace of mind3. SOS call:
With SOS button and two way voice function, kid's or seniors can press the SOS button for help and talk with the host when they are in emergency
4. Historicalroute:
Device will keep record of the historical route for three months, user can check the records on smartphone
5. Voice monitoring:
Select voice monitoring function in setting up and fill in your mobile phone number, wait for while and after confirmation equipment will be sent a calling to your number, you can listen to the voice around locator after answering.
Structure parts
Device size: 38.5X38.5X17mm
Weight: 24g
Color: red, green, white
Button: one button (power/SOS button)
Screen: no
GPS antenna: high sensitive ceramic active antenna
GSM antenna: FPC antenna
Battery: 450mAh
SIM card slot: 1pc
G-sensor: supported
I/O port: USB charge
Hardware parts
Chipset: MTK MT6261
GPS chip: MTK3337
GPRS: class12
GPS signal: L1, 1575.42MHz C/A
GPS channel number: 22 channels
GPS chip receive sensitivity: Tracking sensitivity:-165dBm, capture sensitivity: -148dBm
GPS location accuracy: 5-15M
LBS location accuracy: 100-1000M
Minimum standby current: less than 0.5mA
Average standby current: less than 2.5mA
Average working current: around 55mA
Working temperature: -20-70°C
Working humidity: 5% to 95% non-congealable
Test and certification: can approval by CCC, CE & RoHS
GPS antenna: built-in high sensitivity FPC antenna
GSM antenna: built-in four frequency method of antenna
G-sensor: supported
Mic: supported
Software parts
Supported operating system: Android 2.3 and above system, iOS5.0 and above.
Supported language: simplified Chinese and English (supports multi-language)
GSM+GPRS+GPS: GPS+LBS+Wi-Fi multi-modal positioning
Supported AGPS: cold start 26 seconds positioning
Call function: SOS call