Frequency: GSM850/900/1800/1900MHZ (GPRS) SIM,GSM Card Support SOS help Support audio and video recording Support T-flash card, up to 2 GB memory MP3: Support Midi,WAV;AAC/MP3 MP4: Support Video Playing Alarm clock: 5 optional ring-tones alarm clock function Camera: built-in 1.3 megapixel camera Storage:128MB built-in flash memory Battery: 650mAh,Talk Time 150-180 minutes Standby time: 100 hours USB: For data Transfer and Recharging Bluetooth CSR original V2.0