Answering/Making Call & AI Voice Assistant: The watch has a built-in speaker that supports answering or making calls and playing music. You can turn off the phone ringing and media audio in the watch settings. The upgraded P66 smart watch is equipped with an AI voice assistant. Click 'Voice Assistant' on the watch, then you can voice control the phone to make calls, search information, play music/videos and enter any app. 1.85 HD Color Display & 2 straps: 1.81 full-touch HD color screen presents smooth visual effects. It is more fashionable with a simple and elegant stainless steel strap. The width of the strap is 22mm. One more replacement silicone strap is included in the package, with different color to change the mood. You can choose hundreds of HD watch faces in the app and also can customize the dial to show your own style. Smart Notification & Multiple Sports Modes: Once connected, the watch can remind you the messages received on your phone from apps like WhatsApp, Facebook, Twitter and etc. The watch supports a variety of sports modes, which is suitable for multiple sports scenes to meet the sports needs of women and men. It is IP67 water resistance and meets your daily use needs, you can wash hands without taking it off and don't worry about damaging the watch in the rain. All-Day Health Tracking: This fitness watch can help you achieve a healthier and more active life with blood-pressure, blood-oxygen, heart rate measurement and sleep quality analysis. And it records daily distance, steps and calories. All data will be synced to the app GloryFit and analyzed. You can adjust your fitness goals at anytime by viewing the data in the app. NOTE: All data are for fitness reference only, not for medical purposes. Practical Functions & Compatibility: More practical functions are waiting for you to explore, such as physiological cycle, weather forecast, music control, timer, stopwatch and etc. The watch is only compatible with iOS 9.0 and above or Android 5.0 and above smartphones, not with tablets and computers. It can be used for up to 3~5 days and standby for 10~15 days after fully charged.