... , contact book, GPRS internet, in-build FM5 Inch GPS GPRS support Navigating, SMS, internet surfing...Features:1)5 ... /sending messages, making calls, contact book,GPRS internet, and multi-functions supported simultaneously. When you ... Acous tic inputNOSocket input2.5mm earphone socketBuilt-in TMCCPUSI4703Frequency range87.5MHz-108MHzSensitivitySensitivity RDS -90dBmEnvironmental parametersWorking ...