1、Bluetooth calling: Dialing, Answering, Call log sync, sync Phonebook. Message: Send, receive or delete text message, Message reminder 2、Health tracker: Heart rate measure, Blood pressure measure, Pedometer, Sedentary reminder, Drink reminder, Sleep monitor. 3、Remote control function: Remote Camera, Remote music. Anti-lost funcion: When click Start, the connected phone will vibrate to remind. 4、Data sync function: The data including pedometer, heart rate can be transmit from the smart watch into your smartphone. Other function: Watch, Alarm, Calculator, Calender, Stopwatch. 5、Provide two colors of watch bands for easy replacement. If you buy Black watch, we provide a additional Red watch band; if you buy White watch, we provide a additional Green watch band. Description: This smart watch has three modes selection: watch mode, phone mode, bracelet mode. You can choose one mode as your need. Features: Bluetooth calling: Dialing, Answering, Call log sync, sync Phonebook. Message: Send, receive or delete text message, Message reminder. Health tracker: Heart rate measure, Blood pressure measure, Pedometer, Sedentary reminder, Drink reminder, Sleep monitor. Remote control function: Remote Camera, Remote music. Anti-lost function: When click Start, the connected phone will vibrate to remind. Data sync function: The data including pedometer, heart rate can be transmit from the smart watch into your smartphone. Other function: Watch, Alarm, Calculator, Calender, Stopwatch. Provide two colors of watch bands for easy replacement. If you buy Black watch, we provide a additional Red watch band; if you buy White watch, we provide a additional Green watch band. Modes: Phone Mode: SIM card function and Bluetooth connection function can be used. Watch Mode: SIM card function and Bluetooth connection function are not available, but long standby time. Bracelet Mode: SIM card function can not be used, the Bluetooth connection function can be used. Note: The smart watch can be inserted GSM, NANO SIM card. Specifications: Hardware platform: mt2502 Bluetooth: V4.0 Screen: IPS Screen resolution: 240 x 240 Screen size: 1.3 inch Operating mode: Press button, Touch Screen Type of battery: Polymer Battery Battery Capacity: 300mAh Charging time: About 2hours Standby time: About 5 days for watch mode; 60 hours for bracelet mode; 38 hours for phone mode. APP name: FunDoWear SIM Card: Nano SIM card Shape of the dial: Round Case material: Stainless Steel Band material: Silicon FeaturesCompatible OS: For Android, iOS Color: Black, White (Optional) Package weight: 195g Package List: 1 x Smartwatch 1 x User Manual 1 x Micro USB Charging Cable