CXY DZ09 Smartwatch Heartrate Test Bluetooth Smart Watch Wristwatch Smartwatch Bluetooth Smart Watch DZ09 Bluetooth Smartwatch(DZ09 Black) Function Description: Pedometer, Sleep Monitor, Audio Player, Video,Camera, Calendar, Calculator, Facebook, Twitter, Stop Watch and more Function Description: Pedometer, Sleep Monitor, Audio Player, Video,Camera, Calendar, Calculator, Facebook, Twitter, Stop Watch and more . Switch the Bluetooth for mobile or any electronic devises to connect with the smart watch, the smart watch will start to work and SYNC to all the information's.Please read the instruction carefully. Wide Compatibility: Fully compatible with Android Powered smart phones. Please be noted, Message notifications, Facebook & Twitter Notifications are unavailable for iPhone, Windows Phone and BlackBerry devices. You can only pair the 2 devices via Bluetooth. Main Features: Make and receive phone calls directly from the smart watch. Switch phone calls from the Smart Watch to your mobile device easily and conveniently 2 Slots Design: The Smart Watch acts as a phone with a micro SIM card, you can also write and send messages via the Smart Watch. Expand its storage for MP3/MP4 files with a TF card, supports maximum 32G Please charge the watch for more than 2 hours and use DC electrical source as the battery need to activate with the new smart watch.