1. There is no APK for iPhone, so five functions can't sync with iphone(1. Anti-lost, 2. Messaging, 3. Notifier, 4. Remote Camera,5. Bluetooth music), but all other function can use normally because no need to use app. 2. Android Phone can support all function in the description. 3. Be compatible for Android (os 4.3 or above and bluetooth must be 4.0 or above); for iphone (os 7.0 or above and bluetooth must be 4.0 or above) Features: - GSM 850/900/1800/1900 MHz , Single Micro SIM Card - Bluetooth Dialer, Call Reminder, Bluetooth Call - Bluetooth SMS/IM Message Notified - 1.56" TFT LCD Touch Screen 240*240 pixels - 1.3M Camera (Video Recording not Support) - Anti-loss Technology to bind phone - Pedometer, Sleep Monitor, Sedentary Reminder - Audio Player - Calendar (Synchronizable) Specification: - CPU: MTK6260A - Network & Connectivity: - SIM Card: Single SIM Card Can be as a phone - Frequency: GSM 850/900/1800/1900 MHz - Bluetooth: (Built - in) - BT3.0, BT4.0 - Storage: External memory: Support TF card up to 32GB - Display: 1.56 inch TFT LCD, 240 x 240 pixels - Camera: 1.3 M Media: - Music: Support - Picture Format: JPEG, GIF, BMP, PNG - Music For- Languages: Support kinds of langauage, Pls check the language photo. - Functions: Bluetooth Dialer, Contacts, Call Reminder, Alarm, Anti-loss, Pedometer, Sleep Monitor, ,Sedentary Reminder, Calendar,Camera,Audio Player ,Browser Facebook,Twitter, Whatsapp - Talk Time: 3~ 6 Hours - Standby Time: 2~7days - SMS: Support - USB Port: Mini USB 5pin interface - Color: Black,White,Coffee,Sliver - Size: 43.5*40*11.5 (mm) - Gravity Sensor: Support - Case Material: Metal /Band Material:Silicon Package Included: 1 x DZ09 Smart Watch 1 x USB Cable 1 x User Manual mat: MP3,