CNPGD MQ88L Watch Cell Phone and Sync Watch Handfree Wireless Bluetooth Touch Screen Digital Smartwatch Alarm Sync Anti-lost MP3 FM for Android Mobile Phone Smartphone (Black) 1: Support quad bands GSM: 850/1900Mhz 900/1800/Mhz (GPRS) 2: Support built-in Sim card's calls and connected mobile phone's calls 3: Flat panel design, support handwritten, touch screen 4: Support bluetooth connecting another mobile phone. 5: Sync phonebook of your another mobile phone,easy to call any person in phonebook from our watch directly.