Working frequency GSM/GPRS double-frequency 900/1800MHz; Or 850/1900MHz GPS1575MHz
Appearance Sports watch type
External dimensions 65 (L)× 46 (W)× 17(H)mm
Shell PC+ABS

Button Power on/off button, MODE button, SOS button, 2 phone buttons
SIM card holder Built-in SIM card holder
Built-in MIC Talking and monitoring
Display screen OLED screen, 128*128 pixels

Power supply 3.7V rechargeable 450-500 mAh Li-ion battery, 5V charging input
Earphone 12PIN USB interface with MIC (optional)
Standby time Up to 72 hours (subject to the network signal environment and use mode)
Current consumption During communication: Below 250 m