ip67 waterproof smart watch SOS call function for kids

Product Name Kids Smart Watch STS20 frequency band GSM 850/900/1800/1900MHz(support2G,do not compatible with 3G or 4G network) SIM card GSM card (one) CPU Dual-core ARM CortexTM A7MP processor Chips SC SL8521E Storage 128MB+4GB Main feature Dial; contact book; micro chat; touch make friends; flashlight; Video call; camera; SOS emergency call; Screen 1.44”TFT LCD 128x128 Glass panels Speaker 8Ω/0.5W Microphone Built-in high-fidelity microphone Communication GSM,GPRS Positioning LBS+Wifi Battery capacity 400mAh Device size 233*41*17MM Accessories 1 X Smart Watch, 1 X USB charging cable, 1 X Instruction manual, 1 X Packaging box