... Specifications Phone ModelN83i ... ,back-camera 2.0MPRingtoneMP3,MP4 Data TransferUSB cable/BluetoothAudiomp3,midi ... Bluetooth ,,Auto on-off ,WAP ,GPRS ,IP dial ,SMS ,MMS ,FM ,Alarm clock ,Mobile ... QQ ,E-book ,World Time ,Calculator ,Calendar ,Handwrite ,Handfree Dual model dual standby ,Group messages ,Recording ,Celewhere ,Incalling secretary ,Incalling blacklist ,call firewall ,Accessories ...