Atongm W003 is not only a phone,but also a bluetooth watch.
It has a SIM card slot, you can put into a SIM card then Atongm W003 is a phone(you can make phone call, answer phone calls, send text, receive text etc),a watch phone on your wrist, so cool and convenient!
Besides,it can connect your smartphone via bluetooth, when there is a phone from your smartphone, you can answer it via Atongm W003, you can sync contacts to the Atongm W003. And Atongm W003 is a perfect backup for your smartphone, you can take out the SIM card from your smartphone and put it in Atongm W003 when your smartphone’s battery died.
Waist size: min 16cm, max 22.5cm
Total strap length: 24cm
1.44 Inch display
Support TF card up to 8GB extended
Other features include Messaging, video player, image viewer, sound recorder, bluetooth, alarm, phonebook, dialer, calculator, calendar, FM, etc.