... acceleratorOperating system: Google Android 2.2Memory: 256MB, DDR2Storage: 512MB NAND flash (or 2GB +US$4.00)Card reader: supports external TF ... /1,800/1,900 WCDMA 2,100MHzBluetooth: built-in Bluetooth V2.1, EDR class 2GPS: built-in GPSCamera: 2.0-megapixel (back camera)I ... .5mm headphone jack, high-quality stereo loud speaker x 2, built-in microphoneMedia files: Audio formats: MP3, WMA, WAV, APE, OGG, ...