iRULU Newest SIM Card NFC Bluetooth Smart Watch Wristwatch Phone Mate Independent Smartphone, For Android (Black Band) Independent cellphone.To insert the SIM card and turn it into a wearable cellphone.It supports GSM 850/900/1800/1900 MHz Network. View notifications from email, SMS, Caller ID, calendar and your favorite apps on your wrist.SIM Card Insert, pedometer, Sedentary remind, Sleep monitoring, Remote photograph, Bidirectional anti-lost, Alarm clock, Calendar, Stopwatch, Calculators, NFC Remote-control takes photos and HD video with over 2 million colors. Record HD Wave Format, Class and meeting audio sounds incredible. With NFC pairing and wireless business card exchange always be up to date with your contacts. You will enjoy 1 year quality warranty when you make orders from "iRULU" or the shop authorized by "iRULU" only.