... (should install GSM SIM card), you also can make calls via Bluetooth.Anti-lost: Mobile phone looks for watch ... on the W8.Remote notification: Show the message from mobile phone terminal , such as: Wechat, messages, etc.HardwareBluetooth version ... Waterproof: NoFunctionsBluetooth calling: Answering,Call log sync,Dialing,Phone call reminder,Phonebook Messaging: Message checking,Message reminder,Message ...