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