... b/g/n SupportedBluetoothN/A2GBuilt-in 2GAudio/vedioSound SystemStereo Speaker,Built-in MicrophoneAudio Support MP3,WMA,MP2,OGG,AAC, ... ,3GP,MPGExternal connectorAudio 3.5mm Earphone ConnectorOther portUSB2.0,Mini USB,DC In,Earphone Jack,TF Card Slot AdaptorDC ... 5ABattery3000mAH/3.7VFuctions Spec.CameraDual cameras, Front 0.3MP, Back 2.0MPPictures scanSupport JPG, BMP, PNG, GIF, etc.Online chatFacebook ...