D36 RTOS 4G Kids Smart Watch

Material: ABS+PC+soft silicone
Main Chipset: ASR3603S
GPS Chipset: Built-in
Operation system:RTOS
System Memory:RAM 128Mb + ROM 196Mb
SIM Card Slot: Nano SIM card slot
Frequency Bands:
FDD: B1 B2 B3 B5 B7 B8 B20           
WCDMA:B1 B2 B5 B8               
GSM: B2 B3 B5 B8"
Location Mode:GPS+LBS+WiFi
Battery:Built-in 500mAh polymer battery
Display Screen:1.28 inch IPS color touch screen, 240*240 pixels