Dz09 Bluetooth Smart Watch with Camera and SIM Slot and Sports Pedometer for HTC LG Sumsung (Sliver) SIM and TF Slots Design: The Smart Watch acts as a phone when it is 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 Make and receive phone calls directly from the smart watch. Fully compatible with Android Powered smart phones. Please be noted, Message notifications, Facebook & Twitter Notifications are unavailable for iPhones, WP phones and blackberry phones. Pedometer, Sleep Monitor, Audio Player, Video, Camera, Calendar, Calculator, Facebook, Twitter, Stop Watch etc. Sync Function: Check all notifications on the cool little Smart Watch. Facebook, Twitter, Messages etc.