WY78 Max Smart Watch

The watch Only support 2G network SIM card [GSM/GPRS 850/900/1800/1900]
There is no APK for iPhone, so four functions can't sync with iphone(1. Anti-lost, 2. Messaging, 3. Notifier, 4. Remote Camera), but all other function can use normally because no need to use app.
Android Phone can support all function in the description.
Batteries ‎1 LR44 batteries required. (included)
Item model number ‎A1
Wireless communication technologies ‎Bluetooth
Connectivity technologies ‎USB
GPS ‎ANT+
Special features ‎Sleep Monitor, Calendar, Camera
Display technology ‎LCD
Other display features ‎Wireless
Human interface input ‎Touchscreen
Scanner Resolution ‎240 x 240
Color ‎Black
Item Weight ‎1 Kilograms