Use a prepaid Micro-sim to make phone calls with this watch, 2g/3g/4g GSM:850/900/1800/1900Mhz bands, Good for T-Mobile, Straight Talk, Simple Mobile, or any other carrier that accepts a 3G/4G GSM Sim Card. Will NOT work with any CDMA Carriers such as Verizon, Sprint, Boost, PagePlus.
See Text, calls, and other APP notifications directly from your smartwatch via Bluetooth connection to your smartphone.
Precisely record your sporting data, monitor, and help you manage your health quality, monitoring how well you sleep last night, help you find your cellphone when lost it.
Dial, Calls history, texts,setting, long time sit alarm, sleeping monitor, Anti-lost, recording, Bluetooth, daily walking steps calculating, Calculator, Web browser, Remote camera/music, changeable background picture, Micro-SIM card Slot,support apps such as Facebook, Twitter