Note: 
1.Android phone support all the funciton in the description,such as: Passometer, Calendar, Call Sync, Calculator, Clock, Stopwatch, messages, sync instant messages.once you install the Blutooth Notice APP (BT)
2.because IOS phone can not download the Blutooth Notice APP(BT), and you cannot use a part of functions ,such as sync instant messages , camera ,notifer ,browsing internet ...

Specification: 

CPU: MTK6260A 533MHz 
Network & Connectivity: 
SIM Card: Single SIM Card (Micro SIM Card) Can be as a phone 
Frequency: GSM 850/900/1800/1900 MHz 
Bluetooth: Bluetooth 3.0 
Storage: RAM 128M, ROM 64M; External memory: Support TF card up to 16GB 
Display: 1.56 inch TFT LCD, 240 x 240 pixels 
Camera: 2.0 M 
Video Recording: Support 

Media 
Music/video: Support 
Hand-writing: Support 
Picture Format: JPEG, GIF, BMP, PNG 
Music Format: MP3, WAV 
Video Format: MP4 

Languages: English, Italian, German, Dutch, Spanish, French, Polish, Turkish, Portuguese, Russian 
Functions: Bluetooth Dialer, Contacts, Call Reminder, Clock, Anti-loss, Pedometer, Sleep Monitor, Sedentary Reminder, Calendar 

Battery: 380 mAh 
Talk Time: 3 Hours 
Standby Time: 180 Hours 
SMS: Support 
USB Port: Mini USB 5pin interface 
Color: Black / White / Gold 
Size: 43.5*40*11.8 (mm) 
Product Weight: 75g 
Gravity Sensor: Support 

Package: 
1x Smart watch 
1x USB charger Cable 
1x User Manual