vpro gt11 Smart Watch Notifier with Sim Card Bluetooth Connectivity, Gold Cpu: 533mhz mtk6260a memory:128m+64m tf card: Support max 32gb tf card display Connect to any android phone: Sync your apps and contacts and receive notifications when you get a text, e-mail Bluetooth smartphone mate: Without sim card, you also could use it connect and communicate with the smartphone through Bluetooth Phone function: Make phone call directly from the smart watch, including answering and dial-upset slot, support make calls by Bluetooth or smart watch 1-3 month warranty