BlackBerry 8520 Curve, Curve. Display resolution: 320 x 240 pixels. Internal memory: 256 MB. Digital zoom: 5 x. Data network: CDMA, EDGE, GPRS, GSM, Bluetooth version: 2.0+EDR, Bluetooth profiles: A2DP, AVRCP, DUN, HFP, HSP, PBAP, SSP. Headphone connectivity: 3.5 mm