Features:A.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 32GB.Switch phone calls from the Smart Watch to your mobile device easily and convenientlyC.Fully compatible with Android Powered smart phones. you can also get some limited sync features such as Contacts synchronization， check and make phone calls， check pedometer etcD. Function Description: Pedometer， Sleep Monitor， Audio Player， Video，Camera， Calendar， Calculator， Facebook， Twitter， Stop Watch and moreE.Sync Function: Check all notifications on the cool little Smart Watch. Facebook， Twitter， MessagesPackage Included 1 x Smart watch phone1 x USB cable 1 x User manual