Quality Craftsmanship: The world's first crystal smart watch with Bi-color injection molding?? 1.54 inch TP3D single curved tempered glass?? The resolution of 240*240?? The watch special tempered glass. Scratch resistant anti dropping glamorous. Unique Curved Surface Screen Design: of course need to match with humanized UI design. Sliding up and down?? esay to operate?? follow your inclunations.</br>Life Waterproof IP65: In order to make the watch is used in a variety of environments through the efforts of engineers do waterproof structure in a small space inside.</br>Ultra Precision HRM Heart Rate Monitor: When you enjoy exercise time?? Zeblaze Crystal HRM heart rate monitor function generates your accurate real-time feedback as Apple Watch?? "you through scientific fitness and leading you to healthy life style easily.</br>Functions: Pedometer?? Phone book?? Calls reminding?? Music player?? Anti-lost alert?? Sleep monitoring?? Camera remote?? Call answer?? Find phone?? Sync SMS (only for Android phones?? not for iOS)?? Sedentary Reminder?? Heart rate monitor?? Sync Email?? Calculator?? Timer?? Calendar.</br>NOTE: If the watch can't be charged?? you can try to change a charging cable.To reset the time?? please open the sync time function?? the time of the phone can be synced to the watch directly. Please know that the pedometer need reset when you use it another day. The smart watch works with new tech of Bluetooth. In case if the watch is constantly disconnecting from the phone?? please reset the watch?? and connect the Bluetooth again.</br></br>Product Description</br></br><b>Note:</b><br><br> ?To sync the notifications of your phone?? your phone need to install the APP "de on the watch). The message display can not be used for IOS?? but the notification of the message can be received on watch.<br><br> ?Android phones: support for the original operating system Version 4.4 or higher.<br><br> ?Apple phones: support for the original operating system Version 8.0 or higher.<br><br> <b>Functions:</b><br><br> ?Pedometer?? Phone book?? Calls reminding?? Music player?? Anti-lost alert?? Sleep monitoring?? Camera remote?? Call answer?? Find phone?? Sync SMS notifications?? Sedentary Reminder?? Heart rate monitor?? Sync Email notifications?? Calculator?? Timer?? Calendar?? Timer?? Calendar. <