Waterproof Touch Smart Watch Women Men Heart Rate Bracelet For iPhone Android Product Features: Movement Tracker: Steps calculation, calories, distance. Multiple UI interface styles can be customized, UI switching, time display, date display. Health Monitoring: Continuous heart rate, blood pressure, blood oxygen, sleep monitor, sedentary reminder. Call Reminder and Information Push: Connect to the APP to display notifications such as calls, text messages, and SNS (Facebook, Twitter, WhatsApp, Line, kaKaoTalk, Messenger, WeChat, QQ). You will never miss important information. IP68 Waterproof: It supports hand washing, rain, swimwear, meets daily needs (note: it cannot wear for hot water bath and sauna). Bluetooth Call Function: Connect to phone Bluetooth,you can make calls, receive call, and listen to music through the watch. Note: When using the function of making calls and playing music, you need to connect the Bluetooth of your mobile phone and the Bluetooth of your bracelet (when you don’t use this function, you only need to connect the app Bluetooth to your phone. Refer to the manual for detailed instructions). Product Specification: Type: Bluetooth Smart Watch Screen Size: 1.54inchs IPS Color screen,240*240px Chip: HS6620D Bluetooth Version: 4.0 Waterproof Level: IP68 Battery Capacity: 200mAh Charging Time: About 2 hours Work Time: 3-5days Standby Time: About 7-15 days Charging Mode: Charging clip Function Button: Full touch+button Compatible System: Android 4.4 and above, IOS 8.0 and above. Style: Business, sports, leisure Package Included:  1* Smartwatch 1* USB Cable 1* User Manual Tips： Due to the long transportation time, the battery may be running low. Therefore, the device may not be turned on. As this situation, you can charge the battery longer (about 24 hours) to get it back to its original state.